Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan hoc so snippets" » "nhan hoc code snippets", "nha hoc so snippets", "nhan hoa so snippets", "than hoc so snippets", "nhan hoc co snippets", "nhan hoc su snippets", "nhan hoc bo snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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