Perhaps you should try some spelling variations:
thuoc hang » thuoc khang, thuoc dang, thuoc bang
khau thong » khau thuong, khap thong, khau tong
thuoc sach » hoc sach, nuoc sach, thuat sach
thuat ban » thuat bai, thuat bao, thuat toan
hang khoa » dung khoa
khoa khau » khoa kham, khoa phau, khoa chau
thuat san » thuat toan, thuat song, thuat lanh
nam thuoc » nam thuc, nam thu, nha thuoc
sach khoa » bach khoa, sach nha, anh khoa
va thuoc » va thuc, va thuong, nha thuoc
san nam » van nam, dan nam, san dam
khoa he » hoa he, khoa hoc, khong he

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thuat ban va thuoc hang khoa khau thong ) or ( thuat san nam thuoc sach khoa he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat ban va thuoc hang khoa khau thong ) OR ( thuat san nam thuoc sach khoa he thong )).
• Adding a wildcard symbol may retrieve word variants: (( thuat ban va thuoc hang khoa khau thong ) or ( thuat san nam thuoc sach khoa he thong ))*.