Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
tieu xanh » tieu danh, chieu xanh, dieu hanh
nhan dang » nhan dan, phan dang, tran dang
dang vat » dang van, dong vat, dang nhat
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 - nhan dang vat ((nhung phuong) or (dung phuong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - nhan dang vat ((nhung phuong) OR (dung phuong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhan dang vat ((nhung phuong) or (dung phuong)) dan toan cau*.