Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ghep van ma snippets" » "nghiep van ma snippets", "ghep tang ma snippets", "he van ma snippets", "ghep van man snippets", "ghep van mao snippets", "ghep van ha snippets", "ghep van ma 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: (((("ghep van ma snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ghep van ma snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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