Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nap dong cac snippets" » "nap dong code snippets", "nam dong cac snippets", "lap dong cac snippets", "nap dang cac snippets", "nap duong cac snippets", "nap dong bac snippets", "nap dung 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: (((("python using java snippets") or ("nap dong cac snippets"))) or ("locating bug core snippets"))~.
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