Perhaps you should try some spelling variations:
dang quang » dung quang, nang quan, dang hung
tinh luong » tinh huong, dinh luong, minh luong
luong quan » thong quan, duong qua
luat kiem » luat viet, luat kinh, luat ke
kiem soat » kiem toan
luan hieu » luan tieu, luan dieu, luan thiet
hieu soat » hieu suat, hieu hoat, hieu luat

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh ((dang quang) or (dung luan)) luat kiem soat ) or ( tinh luong quan luan hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh ((dang quang) OR (dung luan)) luat kiem soat ) OR ( tinh luong quan luan hieu soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh ((dang quang) or (dung luan)) luat kiem soat ) or ( tinh luong quan luan hieu soat ))*.