Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat hoa cao snippets" » "chat hoa code snippets", "thuat hoa cao snippets", "chat va cao snippets", "cau hoa cao snippets", "chat hoc cao snippets", "chat hoa co snippets", "chat hoa 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: (((("chat hoa cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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