Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
doanh van » doan van, doanh va, doanh ban
chu xanh » chu manh, chua xang, chuc danh
van tai » von tai, van tuan
tai cao » thai cao, tao cao, tai sao
van va » van vat, van van, ban va

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chu xanh) OR (chieu xanh)) - doanh van va ((nhung cong) or (thong cong)) van tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chieu xanh)) - doanh van va ((nhung cong) OR (thong cong)) van tai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu xanh) OR (chieu xanh)) - doanh van va ((nhung cong) or (thong cong)) van tai cao".
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) OR (chieu xanh)) - doanh van va ((nhung cong) or (thong cong)) van tai cao*.