Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
canh doanh » hanh doanh, chinh doanh, doanh doanh
dieu danh » dieu hanh, tieu danh, dien anh
dung cong » dung trong
van nhanh » van thanh, van hanh, van khanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
dia danh » dia ban, gia dinh
doanh va » doan va, doanh tai, doanh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((dieu danh) or (dia danh)) - canh doanh va ((nhung cong) OR (dung cong)) van nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu danh) OR (dia danh)) - canh doanh va ((nhung cong) OR (dung cong)) van nhanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((dieu danh) or (dia danh)) - canh doanh va ((nhung cong) OR (dung cong)) van nhanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu danh) or (dia danh)) - canh doanh va ((nhung cong) OR (dung cong)) van nhanh cau*.