Perhaps you should try some spelling variations:
trong van » trong cac
cham xuc » cam xuc, chat xuc, cham soc
tang van » dang van, hoang van, tang luan
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, cua triet
va dinh » van dinh, va kinh, va tinh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
dai ky » dan ky, dai ly, sai ky
de cua » le cua, te cua, dieu cua
vu dai » vi dai, va dai, vu hai

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

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