Perhaps you should try some spelling variations:
"dung tri hoi snippets" » "dung tai hoi snippets", "dung tren hoi snippets", "nhung tri hoi snippets", "dung tri hoc snippets", "dung tri doi snippets", "dung tri moi snippets"
"dung vbugss code snippets" » "dung vbugss core snippets", "dung vbungss code snippets", "dung vbugsss code snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung vbugss code snippets") or ("dung tri hoi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbugss code snippets") OR ("dung tri hoi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vbugss code snippets ) or ( dung tri hoi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vbugss code snippets") or ("dung tri hoi snippets"))) or ("locating bug code snippets"))*.