Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung cacfd code snippets" » "dung cac code snippets", "dung cfd code snippets", "dung cacfd code slippers"
"cong tac code snippets" » "cong ty code snippets", "cong tac de snippets", "cong tac co snippets", "cong tac 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 tac code snippets") or ("dung cacfd code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tac code snippets") OR ("dung cacfd code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong tac code snippets ) or ( dung cacfd code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tac code snippets") or ("dung cacfd code snippets"))) or ("locating bugs code snippets"))*.