Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc canh sat snippets" » "hoc anh sat snippets", "hoc can sat snippets", "hoc hanh sat snippets", "hoc canh svth snippets", "hoc canh tac snippets", "hoc canh tay snippets", "hoc canh sat 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: (((("hoc canh sat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc canh sat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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