Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan hoc toan snippets" » "dan hoc code snippets", "dan hoc tan snippets", "dan hop toan snippets", "dan hoa toan snippets", "van hoc toan snippets", "dan toc toan snippets", "dai hoc toan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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