Perhaps you should try some spelling variations:
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
hanh luat » nganh luat, hang luan, hanh lam
van nhung » van nhuong, va nhung, van phung
van hung » van dung, manh hung, van duong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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: theo chau tinh - hanh luat ((van nhung) OR (van hung)) cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - hanh luat ((van nhung) or (van hung)) cong tac toan cau*.