Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
tram xay » tra xay, pham xay, thau xay
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sang - hanh tram xay dung cong danh toan cau~.
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - hanh tram xay dung cong danh toan cau*.