Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sach ly » sach y, sach ty, sach hay
ca viet » va viet, co viet, hoa viet
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
van cam » van nam, van lam, van cau
sach lo » sach dao, sach doi, sach hoi
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
o hoi » co hoi, o hoc, o hai

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 lo)) nang o hoi. hieu van cam xuc va hanh di ((ca viet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ly) OR (sach lo)) nang o hoi. hieu van cam xuc va hanh di ((ca viet) OR (cua vat)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ly) or (sach lo)) nang o hoi. hieu van cam xuc va hanh di ((ca viet) or (cua vat))*.