Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
chi xanh » chi anh, chi danh, chi hanh
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
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 khong cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh cua khong cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh cua khong cong dan ((toan cao) or (toan ban))*.