Perhaps you should try some spelling variations:
doanh luan » doanh nhan
luan thong » luan phong, luan tuong, luat thong
thong dung » thong cong, thong thuong
hoc thieu » hoc hien
van doanh » toan doanh, van dong, van thanh
dung dat » dung va, dung tai
dat phan » data phan, dam phan, sat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) sang - van doanh luan thong dung dat phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - van doanh luan thong dung dat phan tu*.