Perhaps you should try some spelling variations:
trinh thong » trinh thuong, trinh trong, trinh tong
trinh cong » trinh dung
kiem soat » kiem toan
cong quan » cuong quan, cong quang, tong quan
luan hieu » luan tieu, luan dieu, luan thiet
hieu luat » hieu qua
thong tu » phong tuc, thong tin, thong ke
dat kiem » bat kiem, dat hiem, sat kiem
tu dat » tu bat

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh thong tu dat kiem soat ) or ( trinh cong quan luan hieu luat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh thong tu dat kiem soat ) OR ( trinh cong quan luan hieu luat ))*.