Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"so phan khai snippets" » "so phan hai snippets", "so than khai snippets", "so phan loai snippets", "co phan khai snippets", "hoc phan khai snippets", "hoa phan khai snippets", "so phan khai 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: (((("so phan khai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so phan khai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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