Perhaps you should try some spelling variations:
khoan khau » khoanh khac, khoa kham, han khau
phau thong » phap thong, khau thong, phan thong
khoa phau » hoa phan, khoa kham, khoa than
khau tong » khau thong, khau cong, khau thuong
minh thu » minh khue, dinh thuy, minh chau
dac khoa » da khoa, dai khoa, dau khoa
sach tri » sach tai, sach tren, sach truc
tri thac » tri thuc, tri tac, tri tham
thac cac » thoai cac, thanh cac, thuc cach
so minh » so sinh, so tinh, do minh
tuc dac » tuc cac, tuc dan, thuoc dac
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: (( so minh thu tuc dac khoa phau thong ) or ( su sach tri thac cac khoan khau tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so minh thu tuc dac khoa phau thong ) OR ( su sach tri thac cac khoan khau tong )).
• Adding a wildcard symbol may retrieve word variants: (( so minh thu tuc dac khoa phau thong ) or ( su sach tri thac cac khoan khau tong ))*.