Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang xa hoi. lieu va cham luc ((van hanh) OR (ban hanh)) vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. lieu va cham luc ((van hanh) OR (ban hanh)) vi cua tre*.