Perhaps you should try some spelling variations:
phuong manh » phung manh, phuong danh, phuong hanh
phuong anh » phuong hoang
tieu xanh » tieu danh, chieu xanh, dieu hanh
manh dung » manh hung, manh tung, anh dung
toan cao » toan tap
toan ban » van ban
va thu » va thuc, van thu, va tu

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 tieu xanh - manh dung va thu ((phuong manh) OR (phuong anh)) ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - manh dung va thu ((phuong manh) OR (phuong anh)) ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - manh dung va thu ((phuong manh) OR (phuong anh)) ((toan cao) or (toan ban))*.