Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
tuong cong » truong cong, trong cong, tong cong
trinh phan » trinh han, trinh quan, thanh phan
doi chieu » doc hieu, doi chi, mot chieu
trung ban » trong ban, trung van, trung can
ban tuong » ban huong, ban trong, va tuong
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 sang - thanh trung ban tuong cong trinh phan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung ban tuong cong trinh phan cau*.