Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi vien cac snippets" » "thi vien code snippets", "thi lien cac snippets", "thi viet cac snippets", "thi hien cac snippets", "thi vien bach snippets", "thi vien dai snippets", "thi vien da 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: (((("thi vien cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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