Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon van hau snippets" » "long van hau snippets", "lo van hau snippets", "lon va hau snippets", "lon van ha snippets", "lon van hai snippets", "lon van dau snippets", "lon van hau 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: (((("lon van hau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon van hau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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