Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"kiem van hau snippets" » "kiem va hau snippets", "kien van hau snippets", "kieu van hau snippets", "kiem van ha snippets", "kiem van hai snippets", "kiem van dau snippets", "kiem 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: (((("kiem 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: (((("kiem van hau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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