Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh hung » thanh huong, thanh tung, thanh trung
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
tay dung » xay dung, tac dung, tay nung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((thanh hung) or (hanh dung)) tay dung cong thanh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh hung) OR (hanh dung)) tay dung cong thanh phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh hung) or (hanh dung)) tay dung cong thanh phan tu*.