Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van dung hoc snippets" » "van dung code snippets", "van dong hoc snippets", "xay dung hoc snippets", "tin dung hoc snippets", "van dung thuoc snippets", "van trung hoc snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

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