Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che toan hoc snippets" » "che toan code snippets", "chi toan hoc snippets", "che thanh hoc snippets", "ke toan hoc snippets", "che toan khoa snippets", "che van hoc snippets", "che hoa hoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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