Perhaps you should try some spelling variations:
tinh quan » tinh quang, trinh quan, tin quan
hieu luat » hieu qua
kiem soat » kiem toan
van hieu » cao hieu
anh nhan » danh nhan, doanh nhan, thanh nhan
van kiem » va kiem, van kien, van hien
nhan le » nhat le, phan le, nhan ve
luan » lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh quan luan van hieu luat ) or ( anh nhan le van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh quan luan van hieu luat ) OR ( anh nhan le van kiem soat ))*.