Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cong doan » cong dan, cong hoan, cong san
tang cua » mang cua, hang cua, tang luan
phan cau » phan dau, phan cac, phan lap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh tang cua nhung ((cong doan) or (dong doanh)) ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh tang cua nhung ((cong doan) OR (dong doanh)) ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh tang cua nhung ((cong doan) or (dong doanh)) ((phan cau) or (phan tu))*.