Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh thang » nhanh thang, thanh thang, hanh trang
tieu xanh » tieu danh, chieu xanh, dieu hanh
va phuong » va thuong, cac phuong
thang va » hang va, trang va, thong va
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan

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 thang va phuong cong ((san toan) OR (dan toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh thang va phuong cong ((san toan) OR (dan toan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh thang va phuong cong ((san toan) OR (dan toan)) ban*.