Perhaps you should try some spelling variations:
khau thuong » khac thuong, khai thuong, khau thong
tham thuoc » pham thuoc, tham thuc, nha thuoc
khoan phai » khong phai, khoa phau, khoan hoi
phai thong » phap thong, phai tuong, phan thong
sach tham » sach nha
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
anh khoan » anh khoa, anh nhan, anh hoang
thuoc ban » thuoc tan, thuoc dang, thu ban
khoa khau » khoa kham, khoa phau, khoa chau
tu thuoc » truc thuoc, tu thuong, cua thuoc
ban khoa » san khoa, van khoa, ba khoa
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty

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 tham thuoc anh khoan phai thong ) or ( tu sach tu thuoc ban khoa khau thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tham thuoc anh khoan phai thong ) OR ( tu sach tu thuoc ban khoa khau thuong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tham thuoc anh khoan phai thong ) or ( tu sach tu thuoc ban khoa khau thuong ))*.