Perhaps you should try some spelling variations:
nhung trinh » nhung tinh, chuong trinh, phuong trinh
trinh quan » tinh quang, trinh luat, trinh han
van duong » van dong, van dung, van phong
duong uoc » huong uoc, duong hoc, duong nguoc
quan van » luan van, quan va, quan luan
hoi dong » hop dong, hoat dong, ha dong
dong hoc » dong co, dong luc
thi duy » thi dua, thi du, thi quy
duy van » duy vat, dung van
hoc mo » hoc moi, hoc mot, hoc mon

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: (( nhung trinh quan van. hoi dong hoc mo ) OR ( phung thi duy van. van duong uoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung trinh quan van. hoi dong hoc mo ) or ( phung thi duy van. van duong uoc mo ))*.