Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran doc pha snippets" » "tran duc pha snippets", "than doc pha snippets", "tranh duoc pha snippets", "tran doc phan snippets", "tran dot pha snippets", "tran duoc pham snippets", "tran doc pha 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: (((("tran doc pha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran doc pha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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