Perhaps you should try some spelling variations:
anh truong » manh truong, anh thuong, anh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
cuong cong » cong cong, luong cong, duong cong
hieu lang » hieu quang, nhieu tang, hieu van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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