Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"using tu cham snippets" » "using two cham snippets", "using tip cham snippets", "using a cham snippets", "using toc cham snippets", "using thi cham snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("using tu cham snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( using tu cham snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("using tu cham snippets"))) or ("locating bugs code snippets"))*.