Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
luong manh » duong manh, luong thanh, duong minh
hien xanh » hien hanh, chieu xanh, hien khanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap

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