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