Perhaps you should try some spelling variations:
kien soat » bien soan, dien hoat, kiem sat
tinh dang » tinh dung, binh dang, tinh sang
dang quan » dang quang, nang quan, dung quan
kiem soat » kiem toan
kien hoa » dien hoa, tien hoa, kien ha
quan va » quan vi, quan ha, luan va
va kiem » van kien
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: (( tin dung luan van ((kien soat) OR (kien hoa)) ) or ( tinh dang quan va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van ((kien soat) OR (kien hoa)) ) OR ( tinh dang quan va kiem soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan van ((kien soat) OR (kien hoa)) ) or ( tinh dang quan va kiem soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van ((kien soat) OR (kien hoa)) ) or ( tinh dang quan va kiem soat ))*.