Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
thanh chau » thanh cha, thanh cham, thanh chu
trinh vat » trinh van, trinh luat, sinh vat
tong cong » trong cong, cong cong, dung cong
cua tinh » cua sinh, ha tinh, hoa tinh
vat tong » vat trong, va tong, vat dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
va tinh » may tinh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: moc ((cua tinh) OR (va tinh)) - canh trinh vat tong cong tan ((thanh chau) OR (toan cau))~.
• Adding a wildcard symbol may retrieve word variants: moc ((cua tinh) or (va tinh)) - canh trinh vat tong cong tan ((thanh chau) or (toan cau))*.