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 cac cong snippets" » "luong cac cong snippets", "dung cho cong snippets", "dung tai cong snippets", "dung cua cong 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 cac cong 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 cac cong snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( may think java snippets ) or ( dung cac cong snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may think java snippets") or ("dung cac cong snippets"))) or ("locating bugs code snippets"))*.