Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
kinh doan » kinh doanh, minh doan, thinh doan
doan phan » doanh phan, toan phan, dan phan
phan dang » phan dau, phan cong, nhan dan
dang cong » dung cong
cong than » cong thanh, cong thang, cong tan
phan lap » phan dau

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 - kinh doan phan dang cong than ((phan tu) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - kinh doan phan dang cong than ((phan tu) OR (phan lap))*.