Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
tran thuat » trong thuat, tran tuan, tran thuy
chau tinh » cuu tinh, ha tinh, cua tinh
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cau » toan cau, phan cau, than cap
ho chau » ha chau, ho chu, o chau

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

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