Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"truan doi phan slippers" » "truyen doi phan slippers", "quan doi phan slippers", "khuan doi phan slippers", "truan doi nhan slippers", "truan hoi phan slippers", "truan doc phan slippers", "truan doi phan slippery", "truan doi phan grippers"
"dung java java snippets" » "dung va java 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: (((("truan doi phan slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan doi phan slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( truan doi phan slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truan doi phan slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.