Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan cac ham snippets" » "nhan cach ham snippets", "phan dau ham snippets", "phan lap ham snippets", "phan cac cam snippets", "phan cac hat snippets", "phan cac nhan snippets", "phan cac ham 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: (((("phan cac ham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cac ham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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