Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chan le toan snippets" » "chan le code snippets", "phan le toan snippets", "thanh le toan snippets", "khoan le toan snippets", "chan ke toan snippets", "chan le doan snippets", "chan le tuan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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