Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh duc code snippets" » "tinh duc code snippets", "trinh doc code snippets", "trinh dung code snippets", "trinh duc cong snippets", "trinh duc con snippets", "trinh bug code snippets", "trinh duc code slippers"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung bug code snippets", "dung hung code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh duc code snippets") or ("dung hung code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh duc code snippets") OR ("dung hung code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh duc code snippets ) or ( dung hung code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh duc code snippets") or ("dung hung code snippets"))) or ("locating bugs code snippets"))*.