Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
bach tuoc » sach duoc, sach nuoc
viec bach » vien bach, viec ban, viec bao
ban hanh » ban hang
tuoc ban » thuoc ban, quoc ban, buoc ban
hanh ca » hanh cac, hanh cat, hanh cua
vu sach » vu bach, vu khach
ty nang » ky nang, ty xang, ty hang
su sach » so sach
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
ca cua » co cua
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: ((vu sach) OR (su sach)) ty nang o hoi. hieu viec bach tuoc ban hanh ca cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ty nang o hoi. hieu viec bach tuoc ban hanh ca cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (su sach)) ty nang o hoi. hieu viec bach tuoc ban hanh ca cua tre*.