Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat anh dinh snippets" » "dat hanh dinh snippets", "dat lanh dinh snippets", "dat anh kinh snippets", "sat anh dinh snippets", "dat khanh dinh snippets", "nhat anh dinh snippets", "dat anh 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: (((("dat anh 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: (((("dat anh dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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