Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat cua lua slippers" » "xuat va lua slippers", "nhat cua lua slippers", "xuat bia lua slippers", "xuat cua luat slippers", "xuat ca lua slippers", "xuat cua rua slippers", "xuat cua lua slippery", "xuat cua lua grippers"
"locating bug code snippets" » "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: (((("xuat cua lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xuat cua lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("xuat cua lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.