Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua cho sinh snippets" » "lua chon sinh snippets", "luat cho sinh snippets", "luc cho sinh snippets", "lua cho dinh snippets", "lua cho minh snippets", "lua cho kinh snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lua cho sinh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua cho sinh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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