Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat buoi cau snippets" » "dat buoi code snippets", "dat boi cau snippets", "dat buoc cau snippets", "dat nuoc cau snippets", "dat buoc dau snippets", "dat bo cau snippets", "dat nuoi cay 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: (((("dat buoi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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