Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khi dot phan snippets" » "khi dot pha snippets", "khi doc phan snippets", "khi mot phan snippets", "khi doi phan snippets", "khi tot phan snippets", "khi dong phan snippets", "khi dot phan 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: (((("khi dot phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi dot phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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