Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
doi trieu » doi chieu, doi trinh, hoi tieu
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
than cau » toan cau, phan cau, than cap
dong » dung

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

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