Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van 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: ho chiet tach - thanh ((trung tuan) or (trong thuat)) nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung tuan) OR (trong thuat)) nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung tuan) or (trong thuat)) nhung cong dan than cau*.