Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lap tan dung snippets" » "lap tran dung snippets", "lap tin dung snippets", "lap van dung snippets", "lap toan dung snippets", "lap tai dung snippets", "lap ban dung snippets", "lap tan dung 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: (((("lap tan dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap tan dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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