Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chi xanh » chi anh, chi danh, chi hanh
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan cau » toan tap, toan tai
toan ban » van ban
toan cao » toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh tranh va thong cong san ((((toan cau) OR (toan ban))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh va thong cong san ((((toan cau) OR (toan ban))) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - canh tranh va thong cong san ((((toan cau) OR (toan ban))) or (toan cao))*".