Perhaps you should try some spelling variations:
doanh doanh » doanh hoan, doanh thanh, dong doanh
nhung vuong » hung vuong, nhung huong, nhung tuong
canh doanh » hanh doanh, chinh doanh, kinh doanh
kien sach » dien sach, vien bach, kien mac
cua nhung » va nhung
vuong dan » huong dan, tuong dan, xuong dan
hoc kien » hoc hien, hoc vien, hoa kien
dan toan » van toan, dan than, manh toan
toan cau » 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 kien sach - ((canh doanh) or (((doanh doanh) OR (toan doanh)))) cua nhung vuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kien sach - ((canh doanh) OR (((doanh doanh) OR (toan doanh)))) cua nhung vuong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc kien sach - ((canh doanh) or (((doanh doanh) OR (toan doanh)))) cua nhung vuong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc kien sach - ((canh doanh) or (((doanh doanh) OR (toan doanh)))) cua nhung vuong dan toan cau*.