Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
cham sac » cham soc, pham sach, cap sac
hieu va » lieu va, hieu qua
sac van » cac van, san van, sat van
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
lang ha » long ha
nang xa » lang xa, nang ma, mang xa
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((((nang xa) or (nang x))) or (lang ha)) hoi. hieu va cham sac van thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((((nang xa) OR (nang x))) OR (lang ha)) hoi. hieu va cham sac van thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((((nang xa) or (nang x))) or (lang ha)) hoi. hieu va cham sac van thanh vi cua tre*.