Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua dieu
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
va hanh » van hanh, va thanh, va danh
hang x » nang x, hoang xa, chang xu
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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: su sach ty hang x hoi. hieu ((ve cam) or (va cac)) xuc va hanh vi ((cua viet) OR (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang x hoi. hieu ((ve cam) OR (va cac)) xuc va hanh vi ((cua viet) OR (cua vat)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty hang x hoi. hieu ((ve cam) or (va cac)) xuc va hanh vi ((cua viet) OR (cua vat))".
• Adding a wildcard symbol may retrieve word variants: su sach ty hang x hoi. hieu ((ve cam) or (va cac)) xuc va hanh vi ((cua viet) OR (cua vat))*.