Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hoc so snippets" » "dung hoc code snippets", "dong hoc so snippets", "dung thuoc so snippets", "trung hoc so snippets", "dung hoc co snippets", "dung hoc su snippets", "dung hoc bo snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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