Perhaps you should try some spelling variations:
thanh tung » thanh cong
dong duong » tuong duong, cuong duong, dong thong
duong kenh » duong benh, duong kinh, duong manh
hieu lang » chieu sang, hieu quang, nhieu tang
kenh phan » benh nhan, benh phau, ke phan
doi hieu » doi chieu, doc hieu, doi hien
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh tung cua dong duong kenh phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tung cua dong duong kenh phan dau*.