Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dem chu dinh snippets" » "dem vu dinh snippets", "dem chu manh snippets", "dem co dinh snippets", "kem chu dinh snippets", "diem cau dinh snippets", "dien chu dinh snippets", "dem chu dinh 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: (((("dem chu dinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dem chu dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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