Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan cuong cac snippets" » "tan cuong code snippets", "tang cuong cac snippets", "van cuong cac snippets", "van chuong cac snippets", "tan luong cac snippets", "tan cong cac snippets", "tan trong cac snippets"
"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: (((("dung java java snippets") or ("tan cuong cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tan cuong cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tan cuong cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tan cuong cac snippets"))) or ("locating bug core snippets"))*.