Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, von doanh
voi doanh » von doanh, tri doanh, hoa doanh
cham cuu » cap cuu, chat cua
tu sach » thu sach, su sach, te sach
tai cua » thai cua, tai cuc, tri cua
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ve cham cuu ((va danh) OR (((vay doanh) OR (voi doanh)))) tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ve cham cuu ((va danh) or (((vay doanh) OR (voi doanh)))) tai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ve cham cuu ((va danh) or (((vay doanh) OR (voi doanh)))) tai cua tre*.