Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
hien nhanh » hien hanh, thien thanh, tien thanh
duong manh » duong van
hien xanh » hien hanh, chieu xanh, hien khanh
doanh cua » doanh luan
manh toan » thanh toan, anh tuan, tinh toan
manh cua » ban cua
toan tap » toan ban

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