Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran bui anh snippets" » "trang bui anh snippets", "tran bai anh snippets", "thanh bui anh snippets", "tran bui manh snippets", "tran bui thanh snippets", "tran bui khanh snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran bui anh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran bui anh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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