Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
phung cong » phong cong, nhung chong, dung cong
hieu lang » chieu sang, hieu quang, nhieu tang
tran luan » tranh luan, tran xuan, tran tuan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh tran luan ((nhung cong) or (phung cong)) van ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tran luan ((nhung cong) OR (phung cong)) van ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tran luan ((nhung cong) or (phung cong)) van ((toan cau) or (toan ban))*.