Perhaps you should try some spelling variations:
trinh tinh » trinh kinh, trinh dinh, trinh sinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
trinh tin » trinh kinh, trinh toan, trinh tu
cong cong » cong dong, trong cong, dung cong
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((trinh tinh) or (trinh tin)) - nhanh tinh cua cong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((trinh tinh) OR (trinh tin)) - nhanh tinh cua cong cong tan than cau*.