Perhaps you should try some spelling variations:
khau thuong » khac thuong, khai thuong, khau thong
phau thong » phap thong, khau thong, phan thong
dao thuoc » cao thuoc, tao thuoc, dang thuoc
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
sach dao » lanh dao
anh khoa » doanh khoa, hang khoa
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach dao thuoc anh khoa ((phau thong) or (khau thuong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach dao thuoc anh khoa ((phau thong) OR (khau thuong)).
• Adding a wildcard symbol may retrieve word variants: su sach dao thuoc anh khoa ((phau thong) or (khau thuong))*.