Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoan cu snippets" » "tran hoan code snippets", "tran hoang cu snippets", "tuan hoan cu snippets", "tran doan cu snippets", "tran hoan cua snippets", "tran toan cau snippets", "tran hoang tu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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