Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
dan thanh » dang thanh, danh thanh, ban thanh
thanh cha » thanh ha, thanh nha, thanh phan
han cong » phan cong, hang cong, hanh cong
cong dan » cong san, cong tan, huong dan
hieu va » lieu va, hieu qua
cap han » cap phan, cap can, cap hay

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu va) or (chieu sang)) - hanh trung cap han cong dan thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu va) OR (chieu sang)) - hanh trung cap han cong dan thanh cha*.