Perhaps you should try some spelling variations:
chieu tach » chieu sach, chiu trach, chieu tinh
chiet tach » chieu sach
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
trung cua » trung tuan, trung cap, dung cua
cong toan » cong tan, cong hoan, cong tuan
toan hanh » toan thanh, toan anh, tran hanh
hanh cau » nhanh cau, hang cau, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu tach) OR (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong toan hanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tach) OR (chiet tach)) - thanh ((trung cua) OR (truong cua)) nhung cong toan hanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tach) OR (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong toan hanh cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tach) OR (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong toan hanh cau*.