Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
tranh cua » manh cua
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca 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 ((dieu hanh) or (chieu xanh)) - canh ((tranh cua) or (doanh cua)) nhung cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((dieu hanh) OR (chieu xanh)) - canh ((tranh cua) OR (doanh cua)) nhung cong dan can cau.
• Adding a wildcard symbol may retrieve word variants: doc ((dieu hanh) or (chieu xanh)) - canh ((tranh cua) or (doanh cua)) nhung cong dan can cau*.