Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duoi ca cao snippets" » "duoi ca code snippets", "doi ca cao snippets", "cuoi cua cao snippets", "nuoi cay cao snippets", "duoi ca dao snippets", "duoi cu cao snippets", "duoi ca 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: (((("duoi ca cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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