Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc ben cay snippets" » "thuc ben code snippets", "thuc ban cay snippets", "thuc hien cay snippets", "thuc tien cay snippets", "thuc benh cay snippets", "thuc gen cay snippets", "thuc ten cay 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 ben cay snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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