Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong so cau snippets" » "cong so code snippets", "cong san cau snippets", "cong hoa cau snippets", "cong so cap snippets", "cong bo cau snippets", "cong co cau snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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