Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
tuan hang » tuan hoang, tuan bang, tuan hung
tuan dang » tran dang, tuan bang, tuan dung
ho chieu » hoc thieu, doi chieu, mot chieu
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan cau » phan dau, phan cac, phan tu

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

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