Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » manh cua
doanh cua » doanh luan
dung song » dung cong, dung dong, vung song
song van » hoang van, trong van, duong van
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau

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)) dung song van phan dau~.
• 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)) dung song van phan dau.
• 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)) dung song van phan dau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) OR (chieu xanh)) - canh ((tranh cua) or (doanh cua)) dung song van phan dau*.