Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc bang » thuoc ban, thuoc dang, truoc bang
phau thong » phap thong, khau thong, phan thong
truc thuoc » thuc thuc, tri thuoc, tu thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
khap thong » phap thong, khau thong, khac thuong
sach tham » sach nha
bang khoa » hang khoa, dang khoa, vang khoa
khoa phau » hoa phan, khoa kham, khoa than
sach truc » cach thuc, sach tren, sach thu
sach dao » lanh dao
dao khap » dao khau, dam khap, dao khang
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 tham thuoc bang khoa phau thong ) or ( su sach truc thuoc sach dao khap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tham thuoc bang khoa phau thong ) OR ( su sach truc thuoc sach dao khap thong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tham thuoc bang khoa phau thong ) or ( su sach truc thuoc sach dao khap thong ))*.