Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dan » phuong danh, phuong doan, huong dan
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
manh cua » doanh cua
dan toan » van toan, dan than, manh toan
toan ban » van ban
ban cua » ban quan

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) or (hien hanh)) - hanh ((manh cua) OR (ban cua)) nhung phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh ((manh cua) OR (ban cua)) nhung phuong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien hanh)) - hanh ((manh cua) OR (ban cua)) nhung phuong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh ((manh cua) OR (ban cua)) nhung phuong dan toan ban*.