Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung vbug code snippets" » "dung vung code snippets", "dung bug code snippets", "dung vbug code slippers"
"cong san code snippets" » "cong tac code snippets", "cong san co snippets", "cong san cong snippets", "cong san code slippers"

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: (((("cong san code snippets") or ("dung vbug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong san code snippets") OR ("dung vbug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong san code snippets ) or ( dung vbug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong san code snippets") or ("dung vbug code snippets"))) or ("locating bugs code snippets"))*.