Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
ho chieu » theo chieu, hoc thieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
cua dang » cua cong, cua ban
nong dan » cong dan, nong san, nguong dan
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) xanh - hanh tinh cua dang ((nong dan) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh tinh cua dang ((nong dan) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh tinh cua dang ((nong dan) or (cong tan)) phan cac*.