Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vit sach mau snippets" » "viet sach mau snippets", "mat sach mau snippets", "vu sach mau snippets", "vit sach dau snippets", "vit sach dao snippets", "vit bach mai snippets", "vit sach mau 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: (((("vit sach mau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit sach mau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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