Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cung quy doc snippets" » "cong quy doc snippets", "dung quy doc snippets", "nhung quy doc snippets", "cung quy don snippets", "cung duy doc snippets", "cung quan doc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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