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