Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
tay lang » tai lang, tay tang, tay quang
vu sach » vu bach, su sach, vu khach
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
ty lang » ty xang, ty hang, tu lang
co viet » so viet, o viet, hoc viet
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: vu sach ((ty lang) OR (tay lang)) xa hoi. hieu qua cac xuc va thanh vi ((cua viet) OR (co viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ty lang) OR (tay lang)) xa hoi. hieu qua cac xuc va thanh vi ((cua viet) or (co viet))~".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty lang) OR (tay lang)) xa hoi. hieu qua cac xuc va thanh vi ((cua viet) or (co viet))*.