Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
bang suong » bang song, bang tuong, bang phuong
suong sang » luong sang, muong sang, tuong sang
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, ho chieu
trung mat » trung ma, trang mat, trung mot
mat bang » cao bang
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (theo chieu)) sach - thanh trung mat bang suong sang ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) sach - thanh trung mat bang suong sang ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) sach - thanh trung mat bang suong sang ((thanh chau) or (phan cau))*.