Perhaps you should try some spelling variations:
khoan phai » khong phai, khoan hoi, khoan nhoi
phai thong » phap thong, phai tuong, phan thong
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc dang » thuoc dung, thuoc khang, thuc dan
phau thong » phap thong, khau thong, phan thong
dai khoan » dai khoang, dai khoa, tai khoan
sach tham » sach nha
dang khoa » dung khoa, hang khoa, dang khoi
khoa phau » hoa phan, khoa kham, khoa than
cach tri » cach thoi, cac tro, cach noi
tu cach » tu cac
tue dai » tre dai, thue dat, truc dai
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 cach tri tue dai khoan phai thong ) or ( te sach tham thuoc dang khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach tri tue dai khoan phai thong ) OR ( te sach tham thuoc dang khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu cach tri tue dai khoan phai thong ) or ( te sach tham thuoc dang khoa phau thong ))*.