Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh de hoc snippets" » "trinh de code snippets", "trinh den hoc snippets", "trinh do hoc snippets", "trinh he hoc snippets", "trinh te hoc snippets", "trinh du hoc snippets", "trinh dien hoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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