Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trong » hanh trang, anh trong, hinh trong
dung cong » dung trong
cong lang » cong vang, cong luong, cong quang
trong ap » trong cap, trong ac, trong tp
than cap » khan cap, thanh lap, thanh cac
phan lap » phan dau
ap dung » xay dung, van dung

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 trong ap dung cong lang ((than cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - hanh trong ap dung cong lang ((than cap) OR (phan lap))*.