Perhaps you should try some spelling variations:
huong quan » luong quan, vuong quan, hong quan
cuong quan » luong quan, vuong quan, luong quang
tinh thong » tinh thuong, trinh thong, tinh khong
hieu soat » hieu suat, hieu hoat, hieu luat
kiem soat » kiem toan
quan vi » quan li, quan tri, quan doi
vi kiem » va kiem, bi kiem, ve kiem

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh ((huong quan) or (cuong quan)) cao hieu soat ) or ( tinh thong quan vi kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh ((huong quan) OR (cuong quan)) cao hieu soat ) OR ( tinh thong quan vi kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh ((huong quan) or (cuong quan)) cao hieu soat ) or ( tinh thong quan vi kiem soat ))*.