Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
ky hang » ky nang, ly hang, ky dang
va hoi » xa hoi, va hoc, va hoa
vu san » va san, vu ban
de cua » le cua, te cua, dieu cua
vu sai » vu hai, vu dai, vu tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sai) or (vu san)) ky hang va hoi. hieu ve cham xuc ((va dinh) or (va hanh)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sai) OR (vu san)) ky hang va hoi. hieu ve cham xuc ((va dinh) OR (va hanh)) de cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sai) or (vu san)) ky hang va hoi. hieu ve cham xuc ((va dinh) or (va hanh)) de cua tre*.