Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dac khoa hoc snippets" » "dac khoa code snippets", "da khoa hoc snippets", "dai khoa hoc snippets", "dau khoa hoc snippets", "dac hoa hoc snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

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