Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac nen tran snippets" » "cac nen tranh snippets", "cac den tran snippets", "cac nen than snippets", "cac benh tran snippets", "cac nhan tran snippets", "cac bien tran snippets", "cac nen tran 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: (((("cac nen tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac nen tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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