Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu choi cau snippets" » "tu choi code snippets", "tu choi au snippets", "tu choi chu snippets", "tu hoi cau snippets", "su choi cau snippets", "tu chi cau snippets", "tu chon cau 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: (((("tu choi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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