Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
dinh ve » dinh ket, dinh van
va dinh » van dinh, va kinh, va tinh
ve cham » va cham, ve chat, vu cham
sach ly » sach y, sach ty, sach hay
hieu ve » hieu va, hieu van
sach lo » sach dao, sach doi, sach hoi
soc va » hoc va, loc va, doc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ly) or (sach lo)) sang mai khoi. hieu ve cham soc va dinh ve ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach lo)) sang mai khoi. hieu ve cham soc va dinh ve ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ly) or (sach lo)) sang mai khoi. hieu ve cham soc va dinh ve ((cua te) or (cua tu))*.