Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
cap thuoc » cay thuoc, phap thuoc, cap nuoc
cao thuoc » cay thuoc, cua thuoc, nam thuoc
cac phan » cao phan, cap phan, cau phan
cac nhan » ca nhan, cac nha, cam nhan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung ((cap thuoc) OR (cao thuoc)) trong ((cac phan) OR (cac nhan)) dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tung ((cap thuoc) or (cao thuoc)) trong ((cac phan) OR (cac nhan)) dau~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung ((cap thuoc) or (cao thuoc)) trong ((cac phan) OR (cac nhan)) dau*.