Perhaps you should try some spelling variations:
hanh dao » lanh dao, thanh dat, thanh dam
soc ban » hoc ban, coc ban, so ban
hanh da » hanh dua, hanh va, hanh de
te sach » toc sach
va tham » van tham, va thanh, va thuat
va cham » va chat
nang ro » nang co, nang ho, nang ra
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ro hoi » co hoi, o hoi, mo hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ro hoi. lieu ((va cham) OR (va tham)) soc ban ((hanh da) or (hanh dao)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ro hoi. lieu ((va cham) OR (va tham)) soc ban ((hanh da) OR (hanh dao)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ro hoi. lieu ((va cham) OR (va tham)) soc ban ((hanh da) or (hanh dao)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ro hoi. lieu ((va cham) OR (va tham)) soc ban ((hanh da) or (hanh dao)) cua tre*.