Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
cua triet » cua viet, su triet, va triet
doanh vi » doanh va, doan vi, doanh vien
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky ((((nang xa) or (mang may))) or (nang x)) hoi. hieu va cam xuc ban doanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((((nang xa) OR (mang may))) OR (nang x)) hoi. hieu va cam xuc ban doanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((((nang xa) or (mang may))) or (nang x)) hoi. hieu va cam xuc ban doanh vi cua triet*.