Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, huong dan, cong dong
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: ((theo tieu) or (doi chieu)) xanh - hanh tang cua bang ((cong dan) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doi chieu)) xanh - hanh tang cua bang ((cong dan) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doi chieu)) xanh - hanh tang cua bang ((cong dan) or (cong tan)) phan cac*.