Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoe ho anh snippets" » "khoe cho anh snippets", "khoa hoc anh snippets", "khoe moi anh snippets", "khoe ho manh snippets", "khoe hoc anh snippets", "khoe ha anh snippets", "khoe ho anh 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: (((("khoe ho anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoe ho anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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