Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trinh he phu snippets" » "trinh han phu snippets", "trinh hoa phu snippets", "trinh ky phu snippets", "trinh che phu snippets", "trinh he phi snippets", "trinh le phu snippets", "trinh he phu 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: (((("trinh he phu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh he phu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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