Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri hoan tin snippets" » "thi hoan tin snippets", "tri doanh tin snippets", "tri nhan tin snippets", "tri toan tin snippets", "tri hoa tin snippets", "tri hoan thien snippets", "tri hoan tin 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: (((("tri hoan tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri hoan tin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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