Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha du hung slippers" » "pha duc hung slippers", "pha duy hung slippers", "pha du nhung slippers", "pham duc hung slippers", "pham duy hung slippers", "phan duc hung slippers", "pha du hung slippery", "pha du hung 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: (((("pha du hung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha du hung slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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