Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"may think java snippets" » "may trinh java snippets", "may tinh java snippets", "mai thin java snippets", "may thi java snippets"
"dung dung de snippets" » "duong dung de snippets", "ung dung de snippets", "dung ung de snippets", "dung dung he snippets", "dung dung dat 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: (((("may think java snippets") or ("dung dung de snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may think java snippets") OR ("dung dung de snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( may think java snippets ) or ( dung dung de snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may think java snippets") or ("dung dung de snippets"))) or ("locating bugs code snippets"))*.