Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
quang tuan » quan luan, quang cua
tinh dung » trinh dung, tin dung, tinh quang
kiem soat » kiem toan
van kiem » van kien, van hieu, van hien
va kiem » van kien
luan » quan, lan

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 luan van kiem soat ) or ( tinh ((quang tuan) OR (quang thanh)) va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van kiem soat ) OR ( tinh ((quang tuan) OR (quang thanh)) va kiem soat ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung luan van kiem soat ) or ( tinh ((quang tuan) OR (quang thanh)) va kiem soat ))*".