Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sang » chieu sach, chieu xanh, hieu lang
thanh phan » thanh pho, thanh san, thanh toan
cong thanh » dong thanh, cong trinh, truong thanh
tuan dang » tran dang, tuan bang, tuan dung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
tran ban » tranh ban, tran van, toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh thang) OR (thanh phan)) tuan dang ((cong tan) OR (cong thanh)) tran ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((thanh thang) or (thanh phan)) tuan dang ((cong tan) OR (cong thanh)) tran ban~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh thang) or (thanh phan)) tuan dang ((cong tan) OR (cong thanh)) tran ban*.