Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » manh cua
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (chieu xanh)) - canh ((tranh cua) OR (doanh cua)) nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu xanh)) - canh ((tranh cua) OR (doanh cua)) nhung cong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) or (chieu xanh)) - canh ((tranh cua) OR (doanh cua)) nhung cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu xanh)) - canh ((tranh cua) OR (doanh cua)) nhung cong dan chan cau*.