Perhaps you should try some spelling variations:
tri nhung » troi nhung, thi nhung, tri hung
chi xanh » chi anh, chi danh, chi hanh
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh chinh tri nhung ((cong dan) OR (cong tan)) ((than cau) OR (phan cac))~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh chinh tri nhung ((cong dan) or (cong tan)) ((than cau) or (phan cac))*.