Perhaps you should try some spelling variations:
tinh dung » trinh dung, tinh huong, anh dung
kien soat » kiem soat, bien soan, kien hoa
tien soat » trien hoat, thien hoat, kiem soat
dung lam » dung luan, dung tai, dung dat
van kien » van hien, van chien, van hieu
van tien » toan tien, van hieu, van tuan
lam van » lam san, nam van, dam van

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung lam van kien soat ) or ( ((tinh dung) or (tinh quang)) luan van tien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung lam van kien soat ) OR ( ((tinh dung) OR (tinh quang)) luan van tien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung lam van kien soat ) or ( ((tinh dung) or (tinh quang)) luan van tien soat ))*.