Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua cau gian slippers" » "cua cau giay slippers", "cua hau giang slippers", "cua dan gian slippers", "chua cau gian slippers", "cua cac gian slippers", "cua chu gian slippers", "cua cau gian slippery", "cua cau gian 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: (((("cua cau gian slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua cau gian slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua cau gian slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua cau gian slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.