Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, chinh ngan
hieu lang » chieu sang, hieu quang, nhieu tang
tran chau » tranh chap, tran huu
quan ban » quang ban, qua ban, quan van
ban cong » bang cong, van cong, phan cong
ho hieu » ho chieu, hoi hieu, nho hieu
tra cau » tra sau, ta cau, tra cuu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh chinh quan ban cong ty ((tra cau) OR (tran chau))~.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh chinh quan ban cong ty ((tra cau) or (tran chau))*.