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