Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
hanh dai » hanh tai, hanh dao, thanh dat
te sach » toc sach
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
cac xuc » cac nuoc, chat xuc, cac cuoc
hieu va » lieu va, hieu qua
ty nang » ky nang, ty xang, ty hang
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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: te sach ty nang o hoi. hieu va ((cac xuc) OR (cam xuc)) va ((hanh dai) OR (vanh dai)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang o hoi. hieu va ((cac xuc) OR (cam xuc)) va ((hanh dai) or (vanh dai)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang o hoi. hieu va ((cac xuc) OR (cam xuc)) va ((hanh dai) or (vanh dai)) cuu tre*.