Perhaps you should try some spelling variations:
chieu tach » chiet tach, chiu trach, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
khong cong » thong cong, khong cang, chong cong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
than cap » khan cap, thanh lap, thanh cac

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 tach) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) khong cong thanh than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tach) OR (chieu sach)) - thanh ((trung cua) OR (trung cap)) khong cong thanh than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tach) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) khong cong thanh than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tach) or (chieu sach)) - thanh ((trung cua) OR (trung cap)) khong cong thanh than cap*.