Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
than tuong » than thuong, thay tuong, nhan tuong
khoa than » khoa luan, hoa thai, hoa tan
khoa phau » hoa phan, khoa kham, khoa thu
nha thuc » nhan thuc, nha thuoc, nham thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
sach dat » sach dao, sach danh, sach bai
dat thua » dat thu, dai thua, dat hua
thua cac » thuat cam, thuan cam, thuat cao
cac khoa » cac khoan, cac khoi, dac khoa
tu sach » thu sach, te sach, tu cach
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: (( tu sach nha thuc anh khoa than tuong ) or ( su sach dat thua cac khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach nha thuc anh khoa than tuong ) OR ( su sach dat thua cac khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach nha thuc anh khoa than tuong ) or ( su sach dat thua cac khoa phau thong ))*.