Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nam thuoc
thuoc dang » thuoc dung, thuoc khang, thuc dan
thuat san » thuat toan, thuat song, thuat lanh
nha thuoc » nha nuoc, nhan thuc, nha hoc
dang khoa » dung khoa, hang khoa, dang khoi
sach tham » sach nha
thuoc anh » thuoc thanh, thuoc sach, thuoc sinh
phu thong » pho thong, phap thong, khau thong
anh khoa » doanh khoa, hang khoa
khoa phu » khoa phau, khoa thu, hoa phu
san nha » san nhat, ban nha, can nha
khoa he » hoa he, khoa hoc, khong he
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thuat san nha thuoc dang khoa he thong ) or ( so sach tham thuoc anh khoa phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat san nha thuoc dang khoa he thong ) OR ( so sach tham thuoc anh khoa phu thong )).
• Adding a wildcard symbol may retrieve word variants: (( thuat san nha thuoc dang khoa he thong ) or ( so sach tham thuoc anh khoa phu thong ))*.