Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cua » truong ca, truong cao, huong cua
hieu lang » hieu quang, nhieu tang, hieu van
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
hang cau » hang dau, hang ca, nhung cau

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 cua) or (truong quan)) dung cong tan hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh ((truong cua) OR (truong quan)) dung cong tan hang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - thanh ((truong cua) or (truong quan)) dung cong tan hang cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - thanh ((truong cua) or (truong quan)) dung cong tan hang cau*.