Perhaps you should try some spelling variations:
tinh khong » tinh khang, tinh huong, benh khong
tinh thong » tinh thuong, trinh thong, dinh thong
kiem soat » kiem toan
kien soat » bien soan, kien hoa, dien hoat
van kiem » va kiem, van kien, van hieu
he kien » he lien, he mien, ve 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: (( trinh dung luan van kiem soat ) or ( ((tinh thong) OR (tinh khong)) quan he kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh dung luan van kiem soat ) OR ( ((tinh thong) OR (tinh khong)) quan he kien soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( trinh dung luan van kiem soat ) or ( ((tinh thong) OR (tinh khong)) quan he kien soat ))".
• Adding a wildcard symbol may retrieve word variants: (( trinh dung luan van kiem soat ) or ( ((tinh thong) OR (tinh khong)) quan he kien soat ))*.