Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cach thoi » cac thoi, cach thuc, cach noi
anh duong » canh duong, anh huong, anh dong
duong hoc » dong hoc, dung hoc, duong hoi
cach hoc » cach thuc, dich hoc, cac hop
cong hoc » dong hoc, cong hoa, cong coc
hoc benh » soc benh, hoc kinh, so benh
nhan van » nhan dan, nhan va, phan van
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuc ((cach hoc) OR (cach thoi)) tap, nghien thu cong hoc anh duong hoc xa hoc benh nhan van~.
• Adding a wildcard symbol may retrieve word variants: thuc ((cach hoc) or (cach thoi)) tap, nghien thu cong hoc anh duong hoc xa hoc benh nhan van*.