Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"le hang wu snippets" » "le hoang wu snippets", "le thang wu snippets", "le hong wu snippets", "le hang du snippets", "le hang tu snippets", "le hang dau snippets", "le hang wu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("le hang wu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le hang wu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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