Perhaps you should try some spelling variations:
phau thong » khau thong, phan thong, phan thuong
bien thuoc » bien thuc, trien thuoc, kien thuc
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phap thong » phap phong, phap chong, pho thong
sach bien » cach bien, sach tien, mach dien
thuoc ban » thuoc tan, thuoc dang, thu ban
khoa phau » hoa phan, khoa kham, khoa than
sach tham » sach nha
sach khoa » bach khoa, sach nha, anh khoa
khoa phap » khoan phai, khong phap, hoa phan
ban khoa » san khoa, van khoa, ba khoa
tu sach » thu sach, su sach, te sach
vu sach » vu bach, su sach, vu khach

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 bien thuoc ban khoa phau thong ) or ( vu sach tham thuoc sach khoa phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach bien thuoc ban khoa phau thong ) OR ( vu sach tham thuoc sach khoa phap thong ))*.