Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
dong thanh » truong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua
dung dong » dung cong, vung dong, dung trong
manh cua » doanh cua, ban cua
thanh ca » thanh cha, thanh cac, thanh ha
ca cac » cua cac, va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - canh ((tranh cua) or (manh cua)) dung dong thanh ca cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - canh ((tranh cua) OR (manh cua)) dung dong thanh ca cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - canh ((tranh cua) or (manh cua)) dung dong thanh ca cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - canh ((tranh cua) or (manh cua)) dung dong thanh ca cac*.