Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
cua thong » cua thuong, cua khong, cua tong
ho chiet » ho chieu, ho thiet, hoc thiet
tung cua » trung cua, tuong cua, dung cua
cong sat » cong suat, cong hat, cong nhat
cong san » cong tac
cac cau » cac mau, bac cau, ca cau

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 tung cua thong ((cong sat) OR (cong san)) cac cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh tung cua thong ((cong sat) OR (cong san)) cac cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh tung cua thong ((cong sat) OR (cong san)) cac cau*.