Perhaps you should try some spelling variations:
sach doi » sach hoi, sach moi, sach dao
nang di » nang du, hang di, nang ji
va nang » van nang, da nang, cam nang
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ly » sach y, sach lo, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
soc va » hoc va, loc va, doc va
di cua » dai cua, doi cua, de 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 ly) or (sach doi)) ((nang xa) or (nang cao)) hoi. hieu ve cham soc va nang di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ly) OR (sach doi)) ((nang xa) OR (nang cao)) hoi. hieu ve cham soc va nang di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu ((sach ly) or (sach doi)) ((nang xa) or (nang cao)) hoi. hieu ve cham soc va nang di cua tre*.