Perhaps you should try some spelling variations:
bac thanh » ban thanh, cac thanh, tai thanh
thanh de » hanh de, thanh ve, thanh do
te sach » toc sach
vu nang » vuc nang, va nang, vu dang
hieu va » lieu va, hieu qua
xuc bac » xuc tac, xu bac, xuc ban
cua tre » cua te, cuu tre, cua triet
v nang » va nang, van nang, voi nang
va cam » va cham, va cac, va cao
de cua » le cua, te cua, dieu cua

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 ((v nang) or (vu nang)) ((xa hoi) or (x ho)). hieu va cam xuc bac thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (vu nang)) ((xa hoi) OR (x ho)). hieu va cam xuc bac thanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (vu nang)) ((xa hoi) or (x ho)). hieu va cam xuc bac thanh de cua tre*.