Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
tham thuoc » pham thuoc, tham thuc, nha thuoc
khoan phan » khoan phai, khoan thanh, hoa phan
phau thong » phap thong, khau thong, phan thong
thuoc cac » thuoc cuc, thuoc cao, thuoc dac
thua cach » thuc cach, thuat sach, thuat canh
cach khoa » bach khoa, cac khoa, anh khoa
khoa phau » hoa phan, khoa kham, khoa than
cac tham » cac ham, sach tham, cac thanh
sach dao » lanh dao
dao thua » dai thua, tao thuan, dao thi
te sach » toc sach

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

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