Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua dieu
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
va cham » va chat, va tham
ban cua » ban quan
soc va » hoc va, loc va, doc va
va ban » van ban, va bai, va bao
x hoi » xa hoi, o hoi, x ho

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 ty)) nang x hoi. hieu va cham soc va ban cua ((cua viet) OR (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach ty)) nang x hoi. hieu va cham soc va ban cua ((cua viet) OR (cua vat))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) or (sach ty)) nang x hoi. hieu va cham soc va ban cua ((cua viet) OR (cua vat))*".