Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
cong luong » cong thuong, nang luong, cong dong
luong doan » long doan, phuong doan, luong quan
hoi nhieu » hoi hieu, hoi nhiem, hoi phieu
chinh cua » chinh ca, chinh sua, hinh cua
doan van » doan va, hoang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi nhieu tang - hanh chinh cua cong luong doan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoi nhieu tang - hanh chinh cua cong luong doan van ban*.