Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"cong trinh code snippets" » "cong trinh cong snippets", "cong trinh co snippets", "cong trinh cad snippets", "cong trinh 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 ("cong trinh 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 ("cong trinh code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong tac code snippets ) or ( cong trinh code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tac code snippets") or ("cong trinh code snippets"))) or ("locating bugs code snippets"))*.