Perhaps you should try some spelling variations:
cham sac » cham soc, pham sach, cap sac
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
lang ha » long ha
va cham » va chat, va tham
sac van » cac van, san van, sat van
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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 ky ((((nang xa) or (nang x))) or (lang ha)) hoi. lieu va cham sac van hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((((nang xa) OR (nang x))) OR (lang ha)) hoi. lieu va cham sac van hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((((nang xa) or (nang x))) or (lang ha)) hoi. lieu va cham sac van hanh vi cuu tre*.