Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc doi cac snippets" » "thuc doi code snippets", "thuat doi cac snippets", "thuc dan cac snippets", "thay doi cac snippets", "thuc doi cach snippets", "thuc voi cac snippets", "thuc do cac 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 cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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