Perhaps you should try some spelling variations:
trinh luong » trinh duong, trinh huong, trinh xuong
luong quan » thong quan, duong qua
thien toan » thien thanh, thien van, thien tai
tinh dung » trinh dung, tin dung, tinh quang
dung luat » dung luan, dung quat, dung cua
kiem soat » kiem toan
tien soan » bien soan, tien hoang, tien khoan
luat va » xuat va, luat ve, suat va
va kiem » van kien
quan va » quan vi, quan ha, luan va

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 luat va kiem soat ) or ( trinh luong quan va ((tien soan) or (thien toan)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luat va kiem soat ) OR ( trinh luong quan va ((tien soan) OR (thien toan)) )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luat va kiem soat ) or ( trinh luong quan va ((tien soan) or (thien toan)) ))*.