Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"che hoat anh snippets" » "che khoa anh snippets", "cao hoat anh snippets", "co hoat anh snippets", "che hoang anh snippets", "che hoat tinh snippets", "che hoa thanh snippets", "che hoat anh 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: (((("che hoat anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che hoat anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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