Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
lanh doanh » hanh doanh, doanh doanh, kinh doanh
doi khieu » doi chieu, doc hieu, doi hien
doanh cua » doanh luan
dung cong » dung trong
tap quan » tac quan, hai quan
quan van » luan van, quan va, quan luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi khieu) or (doi khi)) xanh - lanh doanh cua ((nhung cong) or (dung cong)) tap quan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi khieu) OR (doi khi)) xanh - lanh doanh cua ((nhung cong) OR (dung cong)) tap quan van.
• Adding a wildcard symbol may retrieve word variants: ((doi khieu) or (doi khi)) xanh - lanh doanh cua ((nhung cong) or (dung cong)) tap quan van*.