Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"han van phu snippets" » "phan van phu snippets", "nhan van phu snippets", "hanh van phu snippets", "han san phu snippets", "han van phung snippets", "han van phan snippets", "han van 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: (((("han van 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: (((("han van phu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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