Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tran oi snippets" » "dang tran code snippets", "dang thanh oi snippets", "quang tran oi snippets", "hoang tran oi snippets", "dang tran si snippets", "dang tran mi snippets", "dang trang roi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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