Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran anh cu snippets" » "tran anh code snippets", "tran manh cu snippets", "tuan anh cu snippets", "tran thanh cu snippets", "tran anh cua snippets", "tran anh tu snippets", "tran anh co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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