Trending Topics for an Industry Doesn't Seem to be displaying all results

IndustryTrendingTopicsServiceImpl

   public JSONObject getIndustryTrendingTopics(String industryName, int date, boolean sortByFrequency, String timeScale, int count, String corpus) {
        JSONObject industryJSON = null;
        System.out.println("count"+count);
        try {
            String url = "http://qa.generalsentiment.com:8080/api/trendingApi.php?";
            url += "industry=" + URLEncoder.encode(industryName, "UTF-8");
            url += "&entityCount=" + count;
            url += "&endDate=" + date;
            url += "&timeScale=" + timeScale;
            url += "&sortByFrequency=" + sortByFrequency;
            url += "&corpus=" + URLEncoder.encode(corpus, "UTF-8");
            URL trendingUrl = null;
            try {
                trendingUrl = new URL(url);
            } catch (MalformedURLException ex) {
                Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
            }

            try {
                URLConnection tc = trendingUrl.openConnection();
                BufferedReader in = new BufferedReader(new InputStreamReader(tc.getInputStream()));
                String inputLine = in.readLine();
                if (inputLine != null) {
                    try {
                        industryJSON = new JSONObject(inputLine);
                    } catch (JSONException ex) {
                        Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
                in.close();
                if (industryJSON != null && industryJSON.has("output")) {
                    JSONArray industryArray = industryJSON.getJSONArray("output");
                }
            } catch (JSONException ex) {
                Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IOException ex) {
                Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
            }
        } catch (UnsupportedEncodingException ex) {
            Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
        }
        return industryJSON;
    }

Please check whether there are any mistakes in these lines of above code.
URLConnection tc = trendingUrl.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(tc.getInputStream()));
String inputLine = in.readLine();
if (inputLine != null) {
try {
industryJSON = new JSONObject(inputLine);
} catch (JSONException ex) {
Logger.getLogger(IndustryTrendingTopicsServiceImpl.class.getName()).log(Level.SEVERE, null, ex);
}
}