Perhaps you should try some spelling variations:
hien tinh » khien tinh, thien tinh, bien tinh
hanh tang » hanh trang, anh tang, hanh mang
dong cong » duong cong, dung cong, dang cong
cong doan » cong dan, cong hoan, dong doanh
tang cua » mang cua, hang cua, tang luan
cua dong » chua dong, cua cong, cua dang
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - hanh tang cua dong cong doan ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - hanh tang cua dong cong doan ((phan cac) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh tang cua dong cong doan ((phan cac) or (phan dau))*.