Perhaps you should try some spelling variations:
dhanh va » doanh va, thanh va, nhanh va
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
su sac » su cac, su xac
xuc va » duc va, tuc va, luc va

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: ((su sac) OR (su sach)) ky nang x ho. hieu va cac xuc va ((dhanh va) OR (hanh va)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su sach)) ky nang x ho. hieu va cac xuc va ((dhanh va) or (hanh va)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su sach)) ky nang x ho. hieu va cac xuc va ((dhanh va) or (hanh va)) cua tre*.