Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh dong luan ((nhung cong) or (thong cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dong luan ((nhung cong) OR (thong cong)) dan toan cau*.