Perhaps you should try some spelling variations:
chung cong » nhung cong, chong cong, phung cong
tang luat » tang luan, nang suat, hang luan
dang luat » dan luat, dung luat, dung luan
chao kha » cao kha, chai khoa, thao khoa
kha nang » phap nang, ky nang, ki nang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao kha nang - anh ((dang luat) or (tang luat)) chung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao kha nang - anh ((dang luat) OR (tang luat)) chung cong van toan ban*.