Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van cong tac snippets" » "van dong tac snippets", "van phong tac snippets", "phan cong tac snippets", "van cong ty snippets", "van cong tac slippers"
"using a java snippets" » "using _ java snippets", "using a java slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using a java snippets") or ("van cong tac snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("van cong tac snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( van cong tac snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("van cong tac snippets"))) or ("locating bugs code snippets"))*.