Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phan thong » phan thuong, phan hong, phan tong
sach tham » sach nha
pho thong » he thong
khoa phan » hoa phan, khoa than, khoa phau
sach dao » lanh dao
thu sach » thuat sach, thu hoach, khau sach
sach nam » sach nay, sach nang, sach ngan
nam thuc » nam thuoc, am thuc, nam thu
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
tu sach » su sach, te sach, tu cach
dao pho » dao ho, dan pho, dao phu

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 sach dao pho thong ) or ( thu sach nam thuc anh khoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tham thuoc sach dao pho thong ) OR ( thu sach nam thuc anh khoa phan thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tham thuoc sach dao pho thong ) or ( thu sach nam thuc anh khoa phan thong ))*.