Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
danh nhan » doanh nhan, thanh nhan, benh nhan
nhan lang » nhanh lang, nhan dang, nhon lang
van trien » van tien, va trien, van tren
dinh dung » dinh duong, dinh hung, tinh dung
dung dang » dung dan, dung dong, dung danh
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
van hieu » cao hieu
qua » quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( danh nhan lang van trien thuat ) or ( dinh dung dang van hieu qua ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( danh nhan lang van trien thuat ) OR ( dinh dung dang van hieu qua ))*.