Perhaps you should try some spelling variations:
luan luong » luan phuong, tuan duong, van luong
luong dung » cuong dung, duong dung, vuong dung
thinh dan » thinh doan, trinh dan, hinh dan
ho chieu » theo chieu, hoc thieu, mot chieu
dan luan » doanh luan, dung luan, tang luan
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: ((ho chieu) or (toc thieu)) sang - thinh dan luan luong dung dat phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sang - thinh dan luan luong dung dat phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) sang - thinh dan luan luong dung dat phan tu*.