Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thpt su phan snippets" » "thpt tu phan snippets", "thpt mu phan snippets", "thpt chu phan snippets", "thpt su pham snippets", "thpt su phat snippets", "thpt so phan snippets", "thpt su phan 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: (((("thpt su phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thpt su phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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