Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
cua dang » cua cong, cua ban
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan, bai toan

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 manh) OR (hieu lang)) - hanh trinh cua dang cong ((tan toan) OR (tap toan)) cao~.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (hieu lang)) - hanh trinh cua dang cong ((tan toan) or (tap toan)) cao*.