Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap

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 nganh) or (chieu sang)) - hanh trung cua cong ((cong dan) or (cong tan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu nganh) OR (chieu sang)) - hanh trung cua cong ((cong dan) OR (cong tan)) than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu nganh) or (chieu sang)) - hanh trung cua cong ((cong dan) or (cong tan)) than cao*.