Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
tang luan » dung luan
tang luat » nang suat, hang luan, tong luan
chu nang » chuc nang, chua nang, cuu nang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
cho chu » cho thue

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

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