Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
canh ban » can ban, canh van, doanh ban
canh dan » canh van, sanh dan, thanh dan
dan phan » doan phan, dan chan, van phan
ho chau » ha chau, ho chu, o chau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - ((canh ban) OR (canh dan)) cua ((nhung cong) OR (dung cong)) dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - ((canh ban) OR (canh dan)) cua ((nhung cong) or (dung cong)) dan phan tu~".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - ((canh ban) OR (canh dan)) cua ((nhung cong) or (dung cong)) dan phan tu*.