Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
cong dang » cong dong, cong dan, cong dung
dang hanh » dang thanh, ban hanh, dang van
cua dang » cua cong, cua ban
hanh cac » hang cac, hanh cat, nhanh cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (chieu sach)) - hanh trung cua dang cong dang hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chieu sach)) - hanh trung cua dang cong dang hanh cac.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chieu sach)) - hanh trung cua dang cong dang hanh cac*.