Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh nang » ganh nang, hanh mang, hanh trang
manh toan » thanh toan, anh tuan, tinh toan
anh nang » ganh nang, anh bang, anh dang
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((hanh nang) or (anh nang)) va nhung phuong ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh nang) OR (anh nang)) va nhung phuong ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh nang) or (anh nang)) va nhung phuong ((dan toan) or (manh toan)) cau*.