Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
doanh nang » doanh sang, doanh nhung, doanh quang
thuong han » thuong mai, thuong va, thuong gap
thuong dam » thuong mai, huong dan, truong dai
luc cong » luoc cong, duc cong, luc dong
phan cau » phan dau, phan cac, phan tu

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 - doanh nang luc cong ((thuong han) or (thuong dam)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - doanh nang luc cong ((thuong han) OR (thuong dam)) phan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - doanh nang luc cong ((thuong han) or (thuong dam)) phan cau*.