Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh san code snippets" » "trinh han code snippets", "trinh van code snippets", "trinh quan code snippets", "trinh san co snippets", "trinh san cong snippets", "trinh san 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 san 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 san code snippets") OR ("dung hung code snippets"))) OR ("locating bugs code snippets")).
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