Perhaps you should try some spelling variations:
thong dung » thong cong, thong thuong
hoc chieu » hoc thieu, ho chieu, hoc hien
van doanh » toan doanh, van dong, van thanh
doanh bat » danh bat, doanh tai, doanh va
bat thong » mat thong, ban thong, bat trong
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 chieu) or (toc thieu)) sang - van doanh bat thong dung dat phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sang - van doanh bat thong dung dat phan tu*.