Perhaps you should try some spelling variations:
thuong thuoc » thuong thuc, phuong thuc, khong thuoc
mach thuong » sach thuong, anh thuong, minh thuong
thuoc thanh » chuoc thanh, thuc thanh, hoc thanh
thuoc dang » thuoc dung, thuoc khang, thuc dan
thanh khoa » thanh hoa, thanh pho, hang khoa
khoa thong » hoa thong, thoai thong, pho thong
dao thuoc » cao thuoc, tao thuoc, dang thuoc
dang khoa » dung khoa, hang khoa, dang khoi
phu thong » pho thong, phap thong, khau thong
khoa khoa » hoa khoa, khuan khoa, khoa hoc
khoa phu » khoa phau, khoa thu, hoa phu
tu lanh » tu hanh, tu lenh, tu manh
tu mach » tu cach, tu manh, tu hach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu lanh dao thuoc dang khoa phu thong ) or ( tu mach thuong thuoc thanh khoa khoa thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu lanh dao thuoc dang khoa phu thong ) OR ( tu mach thuong thuoc thanh khoa khoa thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu lanh dao thuoc dang khoa phu thong ) or ( tu mach thuong thuoc thanh khoa khoa thong ))*.