Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"va tiep cau snippets" » "va tiep code snippets", "va tiep can snippets", "va thien cau snippets", "va diem cau snippets", "va thiet cau snippets", "va tieng cau snippets", "va trien cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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