Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
dung cua » dung luan, dung cho
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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: ((theo chu) OR (theo tieu)) xanh - hanh dung cua ((nhung cong) OR (dung cong)) dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (theo tieu)) xanh - hanh dung cua ((nhung cong) OR (dung cong)) dan than tap~".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (theo tieu)) xanh - hanh dung cua ((nhung cong) OR (dung cong)) dan than tap*.