Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, truong thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, 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 - hanh tranh cua nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh tranh cua nhung ((cong dan) OR (((cong tan) OR (cong thanh)))) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh tranh cua nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh tranh cua nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan cau*.