Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"qua nhat phi snippets" » "qua hoat phi snippets", "luc nhat phi snippets", "qua hai phi snippets", "qua nhat mpsi snippets", "qua nhat pcsi snippets", "qua nhat phep snippets", "qua nhat phi 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: (((("qua nhat phi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua nhat phi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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