Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tuong cong » truong cong, trong cong, tong cong
trinh toan » tinh toan, thanh toan, trinh quan
doi chieu » doc hieu, doi chi, ho chieu
ban tuong » ban huong, ban trong, va tuong
trinh han » trinh quan
tung ban » tuong ban, tung dan, tang ban

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 sach - thanh tung ban tuong cong ((trinh toan) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung ban tuong cong ((trinh toan) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung ban tuong cong ((trinh toan) or (trinh han)) cau*.