Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
cua triet » cua viet, su triet, va triet
ban nhanh » ban hanh, ban thanh, ban nhan
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
vu sach » vu bach, su sach, vu khach
cua tre » cua te, cuu tre, dua tren
tu sach » thu sach, su sach, te sach
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (vu sach)) ky nang o hoi. hieu vien cac xuc ban nhanh thai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) ky nang o hoi. hieu vien cac xuc ban nhanh thai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) ky nang o hoi. hieu vien cac xuc ban nhanh thai ((cua tre) or (cua triet))*.