Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
ty nang » ky nang, ty hang, ly nang
xuc va » duc va, tuc va, luc va
cua te » cua tu

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 ((ty nang) or (ty xang)) cao hoi. hieu van cham xuc va hanh kem ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty xang)) cao hoi. hieu van cham xuc va hanh kem ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (ty xang)) cao hoi. hieu van cham xuc va hanh kem ((cua tre) or (cua te))*.