Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi nhan tap snippets" » "doi khang tap snippets", "tri nhan tap snippets", "hoi nhap tap snippets", "doi nhan tai snippets", "doi nhan tao snippets", "doi han tap snippets", "doi nhan tap 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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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi nhan tap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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