Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, trinh han, trinh quan
thanh toan » thanh hoa, thanh san, tinh toan
tranh voi » trinh voi, trang roi, trang vai
voi nhung » gioi nhung, va nhung, thi nhung
ho chau » ha chau, ho chu, khoa chau
o chau » a chau, 3 chau, moc chau

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: ((ho chau) OR (o chau)) tinh - canh tranh voi nhung cong ((trinh toan) OR (thanh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chau) or (o chau)) tinh - canh tranh voi nhung cong ((trinh toan) OR (thanh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chau) or (o chau)) tinh - canh tranh voi nhung cong ((trinh toan) OR (thanh toan)) cau*.