Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
toc sach » hoc sach, doc sach, thuoc sach
danh vi » hanh vi, dinh vi, danh di
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
va cam » va cham, va cac, va cao

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) or (toc sach)) ty hang xa hoi. hieu va cam ((xuc va) OR (luc va)) danh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty hang xa hoi. hieu va cam ((xuc va) OR (luc va)) danh vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ty hang xa hoi. hieu va cam ((xuc va) OR (luc va)) danh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty hang xa hoi. hieu va cam ((xuc va) OR (luc va)) danh vi cua viet*.