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
lien soat » kiem soat, bien soan, lien son
van hieu » cao hieu
quan vi » quan li, quan tri, quan doi
vi lien » vi mien, va lien, vi dien
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 lien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van hieu luat ) OR ( tinh thuong quan vi lien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van hieu luat ) or ( tinh thuong quan vi lien soat ))*.