Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lan dung bac snippets" » "van dung bac snippets", "dan dung bac snippets", "lan hung bac snippets", "lan dong bac snippets", "lan dung cac snippets", "lan dung bai snippets", "lan dung bac 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: (((("lan dung bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan dung bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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