Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
theo chieu » ho chieu, theo chu, thi chieu
truong cua » truong ca, truong quan, truong cao
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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