Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
khoan phau » khoa phau, khoan phai, khoa chau
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
than thong » than thuong, toan thong, tran thong
can khoan » cac khoan, toan khoan, san khoa
sach tham » sach nha
sach khoa » bach khoa, sach nha, anh khoa
khoa than » khoa luan, hoa thai, hoa tan
thu sach » tu sach, thuat sach, thu hoach
sach dao » lanh dao
dao thuc » dan thuc, dao tuc, do thuc
thuc can » thuc chan, thuc dan, thuc van

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

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