Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan vi he snippets" » "quan vi code snippets", "quan li he snippets", "quan tri he snippets", "quan doi he snippets", "quan vi ha snippets", "quan gi he snippets", "quan va he snippets"
"dung java java snippets" » "dung va java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("quan vi he snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("quan vi he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( quan vi he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("quan vi he snippets"))) or ("locating bug core snippets"))*.