Perhaps you should try some spelling variations:
trang tuan » tran tuan, trung tuan, tran xuan
trong tuan » trong quan, trung tuan, trong tan
theo chau » theo chu, theo chieu, theo cap
theo phap » thi phap
dang cong » dung cong
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chau) OR (theo phap)) tinh - hanh ((trang tuan) or (trong tuan)) dang cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chau) OR (theo phap)) tinh - hanh ((trang tuan) OR (trong tuan)) dang cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chau) OR (theo phap)) tinh - hanh ((trang tuan) or (trong tuan)) dang cong san than cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chau) OR (theo phap)) tinh - hanh ((trang tuan) or (trong tuan)) dang cong san than cau*.