Perhaps you should try some spelling variations:
"dat trong code snippets" » "dat trong cong snippets", "dat trong co snippets", "dat trong che snippets", "dot trong code snippets", "vat trong code snippets", "cay trong code snippets", "dat trong code slippers"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung cong code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dat trong code snippets") or ("dung cong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat trong code snippets") OR ("dung cong code snippets"))) OR ("locating bug code snippets")).
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