Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
manh tung » manh hung, thanh tung
cong cong » cong dong, trong cong, dung cong
suc thanh » duc thanh, su thanh, tuc thanh
cong suc » cong thuc, cong suat, cong chuc
thanh tu » hanh tu, nhanh tu, thanh tung

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 - ((hanh trung) or (manh tung)) cua cong cong suc thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh trung) OR (manh tung)) cua cong cong suc thanh tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh trung) or (manh tung)) cua cong cong suc thanh tu*.