Perhaps you should try some spelling variations:
"dung cua cac snippets" » "dung luan cac snippets", "dung cho cac snippets"
"dung vbugsss code snippets" » "dung vbugsss core snippets", "dung vbungsss code snippets", "dung vbugssss code snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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 vbugsss code snippets") or ("dung cua cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbugsss code snippets") OR ("dung cua cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vbugsss code snippets ) or ( dung cua cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vbugsss code snippets") or ("dung cua cac snippets"))) or ("locating bug code snippets"))*.