Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hanh vi sach snippets" » "hanh vi mach snippets", "hanh vu sach snippets", "hanh vi bach snippets", "thanh vi sach snippets", "anh vi sach snippets", "hinh vi sach snippets", "hanh vi sach 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: (((("hanh vi sach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh vi sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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