Perhaps you should try some spelling variations:
luan luong » luan phuong, tuan duong, van luong
luong dung » cuong dung, duong dung, vuong dung
hoc thieu » hoc hien
thinh dan » thinh doan, trinh dan, hinh dan
dung data » dung dat, dung dan, dung danh
data phan » dam phan, sat phan, vat phan
dan luan » doanh luan, dung luan, tang luan

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 - thinh dan luan luong dung data phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - thinh dan luan luong dung data phan tu*.