Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
thai cua » than cua, tai cuc, tri cua
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
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: tu ((sach ky) OR (sach y)) nang o hoi. hieu ve cac ((xuc van) OR (duc tan)) nhanh thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) nang o hoi. hieu ve cac ((xuc van) or (duc tan)) nhanh thai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang o hoi. hieu ve cac ((xuc van) or (duc tan)) nhanh thai cua tre*.