Perhaps you should try some spelling variations:
minh luan » minh tuan, binh luan, trinh luan
kiem soat » kiem toan
manh gian » manh giang, minh giang, thanh gian
gian lang » gian dan
lang van » dang van, tang van, hoang van
van hieu » cao hieu
va kiem » van kien
van va » van vat, van van, ban va
qua » quan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( minh luan van va kiem soat ) OR ( manh gian lang van hieu qua ))~.
• Adding a wildcard symbol may retrieve word variants: (( minh luan van va kiem soat ) or ( manh gian lang van hieu qua ))*.