Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra hoi dan slippers" » "tra loi dan slippers", "tra hai dan slippers", "tri hoi dan slippers", "tra hoa dan slippers", "tra hoc dan slippers", "tra hoi dap slippers", "tra hoi dan slippery", "tra hoi dan 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: (((("python using java snippets") or ("tra hoi dan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tra hoi dan slippers"))) OR ("locating bug code snippets")).
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