Perhaps you should try some spelling variations:
"trinh thu thuc snippets" » "trinh thuc thuc snippets", "trinh thuy thuc snippets", "trinh thue thuc snippets", "trinh thu thuoc snippets", "trinh thu 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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