Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
dang huong » dang thuong, dang hung, dang cuong
dong huong » dong thuong, dong duong, cong huong
thanh toan » thanh hoa, thanh san, tinh toan
hien xanh » hien hanh, chieu xanh, hien khanh
canh ban » can ban, canh dan, canh van
toan cao » toan ban, toan tap
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 nhanh)) - canh ban cua ((dang huong) OR (dong huong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - canh ban cua ((dang huong) OR (dong huong)) thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien nhanh)) - canh ban cua ((dang huong) OR (dong huong)) thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - canh ban cua ((dang huong) OR (dong huong)) thanh toan cao*.