Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » manh cua
doanh cua » doanh luan
dung cong » dung trong
cong van » cong vang, cong san, song van
ban cau » bang cau, ban can, van 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 xanh) OR (hieu manh)) - canh ((tranh cua) or (doanh cua)) dung cong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - canh ((tranh cua) OR (doanh cua)) dung cong van ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu manh)) - canh ((tranh cua) or (doanh cua)) dung cong van ban cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu manh)) - canh ((tranh cua) or (doanh cua)) dung cong van ban cau*.