Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap va cao snippets" » "nhap va code snippets", "nhap vai cao snippets", "nhap van cao snippets", "nhan va cao snippets", "nhap va cac snippets", "nhap va co snippets", "nhap va dao 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: (((("nhap va cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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