Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toan tra cau snippets" » "toan tra code snippets", "toan trac cau snippets", "toan tran cau snippets", "thoan tran cau snippets", "toan tra sau snippets", "toan ta cau snippets", "toan tra cuu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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