Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu hang pu snippets" » "thi hang pu snippets", "thuc hanh pu snippets", "thu huong pu snippets", "thu hang du snippets", "thu hang tu snippets", "thu hang wu snippets", "thu hang pu 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: (((("thu hang pu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hang pu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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