Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
chinh quan » chinh luan, chinh ngan, trinh quan
ban cong » bang cong, van cong, phan cong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau
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 quang - hanh ((chinh quan) or (chinh quyen)) ban cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - hanh ((chinh quan) OR (chinh quyen)) ban cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu quang - hanh ((chinh quan) or (chinh quyen)) ban cong tac tran cau*.