Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dung cong » dung trong
chi xanh » chi anh, chi danh, chi hanh
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
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 - canh tranh cua dung cong dan ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh cua dung cong dan ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh cua dung cong dan ((than cap) or (toan cau))*.