Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
sach ty » sach y, sach tu, sach thu
sach lo » sach dao, sach doi, sach hoi
sach ly » sach y, sach hay, sach luu
hieu va » lieu va, hieu qua
dau xuc » dau xac, dau xua, dau nuoc
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
va dau » va dao
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
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: te ((((sach ly) or (sach ty))) or (sach lo)) nang x hoi. hieu va dau xuc va hanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach ly) OR (sach ty))) OR (sach lo)) nang x hoi. hieu va dau xuc va hanh di cua viet.
• Adding a wildcard symbol may retrieve word variants: te ((((sach ly) or (sach ty))) or (sach lo)) nang x hoi. hieu va dau xuc va hanh di cua viet*.