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
danh toan » anh toan, dan toan, dang toan
manh toan » thanh toan, anh tuan, tinh toan
anh nang » ganh nang, anh bang, anh dang

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 ((danh 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 ((danh toan) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((hanh nang) or (anh nang)) va nhung phuong ((danh toan) OR (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh nang) or (anh nang)) va nhung phuong ((danh toan) OR (manh toan)) cau*.