Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cao » truong dai
cong thanh » dong thanh, cong trinh, cong tan
hieu lang » hieu quang, nhieu tang, hieu van
trung cap » trung tam
hang cong » dang cong, hang nong, bang cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: nha ((hieu lang) OR (chieu sang)) - thanh ((trung cap) or (truong cao)) hang cong thanh thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nha ((hieu lang) OR (chieu sang)) - thanh ((trung cap) OR (truong cao)) hang cong thanh thanh san.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nha ((hieu lang) OR (chieu sang)) - thanh ((trung cap) or (truong cao)) hang cong thanh thanh san".
• Adding a wildcard symbol may retrieve word variants: nha ((hieu lang) OR (chieu sang)) - thanh ((trung cap) or (truong cao)) hang cong thanh thanh san*.