Perhaps you should try some spelling variations:
tuong luan » truong luan, tong luan, thong luan
minh tuong » minh tuan, minh quang
tinh dung » trinh dung, tin dung, tinh quang
dung quan » dung quang, dung luan, luong quan
kiem soat » kiem toan
hieu soat » hieu hoat, hieu luat, hieu so
hieu suat » hieu luat, hieu qua
quan va » quan vi, quan ha, luan va
va kiem » van kien

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

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