Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cua dam tuan snippets" » "cua nam thuan snippets", "cua pham tuan snippets", "cua doan tuan snippets", "cua dan tuan snippets", "cua dai tuan snippets", "cua tam tuan snippets", "cua dam tuan 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: (((("cua dam tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dam tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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