Perhaps you should try some spelling variations:
trinh tinh » trinh kinh, trinh tin, trinh dinh
doi trinh » doc trinh, doi tinh, dong trinh
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dung cong
dinh cuu » dinh chi
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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 - nhanh ((dinh cuu) or (trinh cua)) cong cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trinh tinh - nhanh ((dinh cuu) OR (trinh cua)) cong cong san phan cau*.