Perhaps you should try some spelling variations:
nhanh thi » nhanh thai, nhanh thuc, nhan tai
van nhanh » van thanh, van hanh, van khanh
thien van » thi van
thu sach » tu sach, thuat sach, thuoc sach
cau tren » cu tren, dau tren, ca tren
sach ty » sach y, sach tu, sach thu
cau xuc » cam xuc, cau luc, cau truc
xuc van » duc van, luc van, vuc van
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
van cau » van dau, van hau, van chat
co hoi » co hoc, co loi
o hoi » o hoc, o hai, o hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang ((o hoi) or (co hoi)). thien van cau xuc van nhanh thi ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang ((o hoi) OR (co hoi)). thien van cau xuc van nhanh thi ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang ((o hoi) or (co hoi)). thien van cau xuc van nhanh thi ((cua tre) or (cau tren))*.