Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cau tre snippets" » "dung cau code snippets", "dung chau tre snippets", "dung cu tre snippets", "dung cac tre snippets", "dung cau tren snippets", "dung cau treo snippets", "dung cau tra snippets"
"python using java snippets" » "python using data 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 ("dung cau tre snippets"))) or ("locating bug core snippets"))~.
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