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