Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dep hoc hanh snippets" » "dep hoc nhanh snippets", "dep hoc thanh snippets", "dep hoc anh snippets", "de hoc hanh snippets", "den hoc hanh snippets", "dep hoi hanh snippets", "dep hoc hanh 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: (((("dep hoc hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dep hoc hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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