Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
hoc sach » hoc sinh, hoc cac, hoc anh
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
dang van » hoang van, hang va
vu sach » vu bach, su sach, vu khach
xuc van » duc van, luc van, xuc ban
van hoi » van hoa, van hoc, van hoe
ky dang » ky nang, ky danh
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (((te sach) or (hoc sach)))) ky dang van hoi. hieu van cham xuc van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (((te sach) OR (hoc sach)))) ky dang van hoi. hieu van cham xuc van hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (((te sach) or (hoc sach)))) ky dang van hoi. hieu van cham xuc van hanh vi cua tre*.