Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan cao va slippers" » "hoang cao va slippers", "toan cao va slippers", "hoan hao va slippers", "hoan cao van slippers", "hoan tao va slippers", "hoan co va slippers", "hoan cao va slippery", "hoan cao va 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: (((("python using java snippets") or ("hoan cao va slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoan cao va slippers"))) OR ("locating bug code snippets")).
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