Perhaps you should try some spelling variations:
dinh thuong » dinh huong, dinh duong, dinh cuong
thuong quan » thuong quang, thong quan, truong quan
tien soat » trien hoat, thien hoat, tien hoa
kiem soat » kiem toan
tinh qua » tinh quan, trinh qua, tinh cua
quan van » luan van, quan va, quan doan
van hieu » cao 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 qua quan luan ((tien soat) or (kiem soat)) ) or ( dinh thuong quan van hieu qua ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh qua quan luan ((tien soat) OR (kiem soat)) ) OR ( dinh thuong quan van hieu qua )).
• Adding a wildcard symbol may retrieve word variants: (( tinh qua quan luan ((tien soat) or (kiem soat)) ) or ( dinh thuong quan van hieu qua ))*.