Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh dung » thanh duong, thanh tung, thanh hung
trong dong » trong cong, trong nong, trong dang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tong dong » tuong dong, thong dong, cong dong
van thanh » ban thanh, van tuan
thanh tai » thanh hai, thanh toan, doanh tai
dung cua » dung luan, dung cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - thanh dung cua ((tong dong) OR (trong dong)) van thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh dung cua ((tong dong) OR (trong dong)) van thanh tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh dung cua ((tong dong) OR (trong dong)) van thanh tai".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh dung cua ((tong dong) OR (trong dong)) van thanh tai*.