Perhaps you should try some spelling variations:
tinh thong » tinh thuong, trinh thong, tinh khong
tinh dung » trinh dung, tin dung, tinh huong
kiem soat » kiem toan
quan doan » quan hoang, chuan doan, chan doan
doan kien » doan dien, don kien, doan thien
kien soat » bien soan, kien hoa, dien hoat
van kiem » va kiem, van kien, van hieu

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) OR (tinh quang)) luan van kiem soat ) or ( tinh thong quan doan kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((tinh dung) OR (tinh quang)) luan van kiem soat ) OR ( tinh thong quan doan kien soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((tinh dung) OR (tinh quang)) luan van kiem soat ) or ( tinh thong quan doan kien soat ))".
• Adding a wildcard symbol may retrieve word variants: (( ((tinh dung) OR (tinh quang)) luan van kiem soat ) or ( tinh thong quan doan kien soat ))*.