Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
tong huong » thong huong, tong thuong, cong huong
doi chieu » doc hieu, doi chi, mot chieu
tuong cua » truong cua, huong cua, thong cua
benh phan » benh nhan, benh phau, kenh phan
cua tong » cua cong, cua dong, cua nong
xen phan » dien phan, kenh phan, tren phan

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 tuong cua tong huong ((xen phan) or (benh phan)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh tuong cua tong huong ((xen phan) OR (benh phan)) dau*.