Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa tri ben snippets" » "khoa tai ben snippets", "khoa tre ben snippets", "khoan tai ben snippets", "khoa tri benh snippets", "khoa tri ban snippets", "khoa toi ben snippets", "khoa tri ben 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: (((("khoa tri ben snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa tri ben snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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