Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » tong cong, thong thong, phong chong
tuong cua » truong cua, huong cua, thong cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - thanh tuong cua ((thong cong) or (trong cong)) ((dan toan) OR (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh tuong cua ((thong cong) OR (trong cong)) ((dan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh tuong cua ((thong cong) or (trong cong)) ((dan toan) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh tuong cua ((thong cong) or (trong cong)) ((dan toan) OR (dan than)) cao*.