Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quanh cac snippets" » "dung quanh code snippets", "dung quang cac snippets", "dung quan cac snippets", "xung quanh cac snippets", "dung quang cao snippets", "dung qua cac snippets", "dung quan cau 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 quanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung quanh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung quanh cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.