Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua cho can snippets" » "lua cho code snippets", "lua chon can snippets", "luat cho can snippets", "luc cho can snippets", "lua cho cac snippets", "lua cho phan snippets", "lua cho cong 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: (((("lua cho can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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