Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong quan, truong cao, huong cua
nhung cong » dung cong, thong cong, hang cong
trung cua » trung tuan, trung cap, dung cua
truong ca » truong cao, truong va, trong ca
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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 chieu sach - thanh ((trung cua) or (((truong cua) OR (truong ca)))) nhung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh ((trung cua) OR (((truong cua) OR (truong ca)))) nhung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh ((trung cua) or (((truong cua) OR (truong ca)))) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh ((trung cua) or (((truong cua) OR (truong ca)))) nhung cong tac than cau*.