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

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 van khanh 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 van khanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu danh) or (dia danh)) - canh doanh va nhung cong van khanh cau*.