Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong va so snippets" » "cuong va code snippets", "luong va so snippets", "duong va so snippets", "cong va so snippets", "cuong ma so snippets", "cuong va su snippets", "cuong va co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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