Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
khoa chau » khoai chau, khoa phau, khoa cham
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ha chau » hat chau, a chau, lai 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: ((((ha chau) OR (khoa chau))) OR (o chau)) tinh - hanh tranh cua nhung cong tan toan cau~.
• Adding a wildcard symbol may retrieve word variants: ((((ha chau) or (khoa chau))) or (o chau)) tinh - hanh tranh cua nhung cong tan toan cau*.