Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa

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: ((((thuat sach) OR (tu cac))) OR (vu sach)) ky nang xa hoi. hieu ve cac tuc va hanh dai cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((((thuat sach) or (tu cac))) or (vu sach)) ky nang xa hoi. hieu ve cac tuc va hanh dai cua tre*.