Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan sach ha snippets" » "pham sach ha snippets", "phan tach ha snippets", "phan tich ha snippets", "phan sach nha snippets", "phan sach han snippets", "phan sach xa snippets", "phan sach ha 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: (((("phan sach ha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan sach ha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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