Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
chong cong » cong cong, thong cong, cuong cong
cong luong » cong thuong, nang luong, cong dong
luong nhan » luong thanh, dung nhan, luong quan
hoc thieu » toc thieu, hoc hien
trung cap » truong cao
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - thanh ((trung cap) or (trung tam)) chong cong luong nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trung cap) OR (trung tam)) chong cong luong nhan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung cap) or (trung tam)) chong cong luong nhan cau*.