Perhaps you should try some spelling variations:
quang luan » quan luan, quang tuan, quang uan
hieu hoat » hieu hoa, thien hoat, hieu luat
dinh dung » dinh duong, dinh hung, tinh dung
kiem soat » kiem toan
van hieu » cao hieu
dung qua » duong qua, dung quan, dung cua
van kiem » va kiem, van kien, van hien
qua van » quan van, qua ban, qua san
tinh » trinh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( (tinh OR minh) quang luan van hieu hoat ) or ( dinh dung qua van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( (tinh OR minh) quang luan van hieu hoat ) OR ( dinh dung qua van kiem soat ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (tinh OR minh) quang luan van hieu hoat ) or ( dinh dung qua van kiem soat ))*".