Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua viet » ca viet, hoa viet, cua vat
hieu van » hieu va, thien van, lieu va
thi hang » thi hanh, thi nang, thi thanh
thi hong » thi cong, thi phuong, thi hanh
va thanh » gia thanh, ban thanh, va tinh
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
hieu ve » hieu va
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

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