Perhaps you should try some spelling variations:
thuoc doanh » thuoc dang, thuoc dong, thuoc thanh
doanh khoa » toan khoa
phap thong » phap phong, phap chong, pho thong
phau thong » khau thong, phan thong, phan thuong
bai thuoc » ban thuoc, bai hoc, cay thuoc
khoa phap » khoan phai, khong phap, hoa phan
nha thuoc » nha nuoc, nhan thuc, nha hoc
thuoc ban » thuoc tan, thuoc dang, thu ban
khoa phau » hoa phan, khoa kham, khoa than
sach bai » sach dao, cac bai, sach xa
thu sach » thuat sach, thuoc sach, thu hoach
ban khoa » san khoa, van khoa, ba khoa
tu sach » su sach, te sach, tu cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach bai thuoc doanh khoa phap thong ) or ( thu sach nha thuoc ban khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach bai thuoc doanh khoa phap thong ) OR ( thu sach nha thuoc ban khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach bai thuoc doanh khoa phap thong ) or ( thu sach nha thuoc ban khoa phau thong ))*.