Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet

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 ky nang ma hoa. hieu van cam xuc van ((hanh vai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoa. hieu van cam xuc van ((hanh vai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoa. hieu van cam xuc van ((hanh vai) or (hanh tai)) cua tre*.