Perhaps you should try some spelling variations:
tinh thuong » trinh thuong, tinh huong, dinh thuong
thuong quan » thuong quang, thong quan, truong quan
hieu luat » hieu qua
dien soat » dien hoa, kiem soat, bien soan
dien hoat » dien hoa, dien hat, trien hoat
van hieu » cao hieu
quan vi » quan li, quan tri, quan doi
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 thuong quan vi ((dien soat) OR (dien hoat)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van hieu luat ) OR ( tinh thuong quan vi ((dien soat) OR (dien hoat)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan van hieu luat ) or ( tinh thuong quan vi ((dien soat) OR (dien hoat)) ))".
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van hieu luat ) or ( tinh thuong quan vi ((dien soat) OR (dien hoat)) ))*.