Perhaps you should try some spelling variations:
chat truc » cau truc
chat xuc » chat huu, cam xuc, chao xu
hieu cao » chieu cao, hieu ca, kieu cao
danh dau » lanh dao, hang dau, danh tu
hieu cac » hieu luc, hieu va, hieu van
dau cua » dai cua, day cua, cau cua
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach ty
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 cao) OR (hieu cac)) ((chat truc) OR (chat xuc)) va danh dau cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. ((hieu cao) or (hieu cac)) ((chat truc) OR (chat xuc)) va danh dau cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. ((hieu cao) or (hieu cac)) ((chat truc) OR (chat xuc)) va danh dau cua tre*.