Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khi hoc than snippets" » "khi hoc thanh snippets", "khi hoc phan snippets", "khi hoc tan snippets", "khi hoi than snippets", "khien hoc than snippets", "khoa hoc than snippets", "khi hoc than 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: (((("khi hoc than snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi hoc than snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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