Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi ha tang slippers" » "phi phap tang slippers", "phi cao tang slippers", "phi kho tang slippers", "thi ha tang slippers", "phi va tang slippers", "phi ha tang slippery", "phi ha tang grippers"
"locating bug code snippets" » "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: (((("phi ha tang slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi ha tang slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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