Perhaps you should try some spelling variations:
"trinh cuu thuc snippets" » "trinh cau thuc snippets", "trinh cua thuc snippets", "trinh chu thuc snippets", "trinh cuu tac snippets", "trinh cuu thuc slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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