Perhaps you should try some spelling variations:
tieng luong » tien luong, tieng muong, tieng chuong
tinh thuong » trinh thuong, tinh huong, dinh thuong
luong quan » thong quan, duong qua
tinh thong » trinh thong, tinh khong, dinh thong
quan doan » quan hoang, chuan doan, chan doan
doan hieu » doanh hieu, doan dieu, doan thien
hieu soat » hieu suat, hieu hoat, hieu luat
kiem soat » kiem toan
quan ha » quan he
ha kiem » hoa kiem, va kiem, phan kiem

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tieng luong quan doan hieu soat ) or ( ((tinh thong) OR (tinh thuong)) quan ha kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tieng luong quan doan hieu soat ) OR ( ((tinh thong) OR (tinh thuong)) quan ha kiem soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tieng luong quan doan hieu soat ) or ( ((tinh thong) OR (tinh thuong)) quan ha kiem soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tieng luong quan doan hieu soat ) or ( ((tinh thong) OR (tinh thuong)) quan ha kiem soat ))*.