Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh di » hanh vi, hanh de, hang di
thuc va » thuc vat, thuc dan, thuc day
vu sach » vu bach, su sach, vu khach
y xang » ty xang
ve cam » ve cham, ve cac, va cam
tuc va » truc va, tuc xa, duc va
xang x » nang x
di cua » dai cua, doi cua, de cua
va cao » va cac, va co, va dao
x hoi » xa hoi, o hoi, x ho

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 y xang x hoi. hieu ((ve cam) OR (va cao)) ((tuc va) OR (thuc va)) hanh di cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y xang x hoi. hieu ((ve cam) or (va cao)) ((tuc va) OR (thuc va)) hanh di cua viet~".
• Adding a wildcard symbol may retrieve word variants: vu sach y xang x hoi. hieu ((ve cam) or (va cao)) ((tuc va) OR (thuc va)) hanh di cua viet*.