Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh huong
chung nhung » phuong nhung, chung nhan, dung nhung
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cong tac » cong ty
tac bang » tac vang, tao bang, cac bang
bang cac » nang cao, hang ca, dung cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) OR (hieu lang)) - ((thanh truong) or (thanh tung)) chung nhung cong tac bang cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - ((thanh truong) OR (thanh tung)) chung nhung cong tac bang cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - ((thanh truong) or (thanh tung)) chung nhung cong tac bang cac*".