Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thanh dong » thanh duong, thanh cong, hanh dong
khi hanh » thi hanh, chi nhanh, thi thanh
chi hanh » chi nhanh, chi thanh, thi hanh
ha nhung » hoa nhung, hay nhung, pha nhung
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
dong ha » dong hoa, dong va, dong hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((khi hanh) OR (chi hanh)) - thanh dong ha nhung phuong ((dan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi hanh) OR (chi hanh)) - thanh dong ha nhung phuong ((dan toan) OR (van toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi hanh) OR (chi hanh)) - thanh dong ha nhung phuong ((dan toan) or (van toan)) cao".
• Adding a wildcard symbol may retrieve word variants: doi ((khi hanh) OR (chi hanh)) - thanh dong ha nhung phuong ((dan toan) or (van toan)) cao*.