Perhaps you should try some spelling variations:
dung quang » dang quang, luong quang, dung ung
hieu luat » hieu qua
dung quan » luong quan, dang quang, dung cua
xuan vien » xuan viet, xuan dien, xuan kien
vien soan » bien soan, vien quan, vien sau
van hieu » cao hieu
luan » lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung luan van hieu luat ) or ( tinh ((dung quan) or (dung quang)) xuan vien soan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van hieu luat ) OR ( tinh ((dung quan) OR (dung quang)) xuan vien soan )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van hieu luat ) or ( tinh ((dung quan) or (dung quang)) xuan vien soan ))*.