Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cho cao snippets" » "dung cho code snippets", "dung cho cac snippets", "dung cho dao snippets", "dung cho can snippets"
"dung think java snippets" » "dung thang java snippets", "dung tin java snippets", "dung thanh java snippets", "dung trinh 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 think java snippets") or ("dung cho cao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung think java snippets") OR ("dung cho cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung think java snippets ) or ( dung cho cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung think java snippets") or ("dung cho cao snippets"))) or ("locating bug core snippets"))*.