Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc doi cau snippets" » "thuc doi code snippets", "thuat doi cau snippets", "thuc dan cau snippets", "thay doi cau snippets", "thuc doi dau snippets", "thuc di cau snippets", "thuc doi ca 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: (((("thuc doi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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