Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
nghien huu » nghien cuu, nguyen huu, nhiem huu
doanh khoa » toan khoa
thanh toan » thanh hoa, thanh san, tinh toan
hoc doanh » hoa doanh, hoc danh, hoc dan
lanh hoc » anh hoc, danh hoc, thanh hoc
khoa hoc » hoa hoc
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
hai van » thai van, hai tan, hao van
hoc xa » hoc ma
ha van » hoa van, nha van, va van

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: thuat lanh hoc tap, nghien huu mot hoc doanh khoa hoc xa ((hai van) OR (ha van)) thanh toan~.
• Adding a wildcard symbol may retrieve word variants: thuat lanh hoc tap, nghien huu mot hoc doanh khoa hoc xa ((hai van) or (ha van)) thanh toan*.