Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
cac tac » cac toc, cac bac, cac dac
van cac » van hac, van cau, van bac
nang xa » nang x, lang xa, nang ma
tac va » tac da, tac xa, tuc va
su cac » tu cac, su cao, su can
su sac » su sach, su xac

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 cac)) ky nang xa hoi. hieu van cac tac va ((hanh vai) OR (hanh tai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) or (su cac)) ky nang xa hoi. hieu van cac tac va ((hanh vai) OR (hanh tai)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su cac)) ky nang xa hoi. hieu van cac tac va ((hanh vai) OR (hanh tai)) cua tre*.