Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hong bo snippets" » "dung hong code snippets", "duong hong bo snippets", "dung huong bo snippets", "dung khong bo snippets", "dung cong bo snippets", "dung dong bo snippets", "dung hon bo snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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