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