Perhaps you should try some spelling variations:
tinh dung » tin dung, tinh quang, tinh huong
dung quan » dung quang, luong quan, dang quang
kiem soat » kiem toan
tien soan » bien soan, tien hoang, thien toan
van tien » toan tien, van hieu, van tuan
quan vi » quan li, quan tri, quan doi
vi kiem » va kiem, bi kiem, ve kiem
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: (( tinh dung quan vi kiem soat ) or ( trinh dung luan van tien soan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung quan vi kiem soat ) OR ( trinh dung luan van tien soan )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung quan vi kiem soat ) or ( trinh dung luan van tien soan ))*.