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