Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
ban thanh » ban hanh, ban hang
thanh cha » thanh ha, thanh nha, thanh phan
han cong » phan cong, hang cong, hanh cong
cong ban » cong bang, cong san, cong tan
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)) - manh trung cap han cong ban thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu va) OR (chieu sang)) - manh trung cap han cong ban thanh cha*.