Perhaps you should try some spelling variations:
tuong quan » truong quan, thong quan, luong quan
minh tuong » minh tuan, minh quang
hieu luat » hieu qua
kinh ung » linh ung, kinh trung, vinh hung
dung van » duong van, dung va, dang van
van hieu » cao hieu
quan vi » quan li, quan tri, quan doi
vi bien » voi bien, vi mien, va bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( kinh ung dung van hieu luat ) or ( minh tuong quan vi bien doi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( kinh ung dung van hieu luat ) OR ( minh tuong quan vi bien doi )).
• Adding a wildcard symbol may retrieve word variants: (( kinh ung dung van hieu luat ) or ( minh tuong quan vi bien doi ))*.