Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong vung » thong dung, thong cung, thong quang
toc chieu » toc thieu, doc hieu, hoc thieu
cong quan » cuong quan, cong quang, tong quan
vung cap » cung cap, vung cac, trung cap
cap doan » tap doan, chan doan, cac doanh
doan ban » doanh ban, toan ban, doan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sang - thanh ((cong quan) or (thong quan)) thong vung cap doan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sang - thanh ((cong quan) OR (thong quan)) thong vung cap doan ban.
• Adding a wildcard symbol may retrieve word variants: toc chieu sang - thanh ((cong quan) or (thong quan)) thong vung cap doan ban*.