Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
day cua » dai cua
dat cua » dai cua, mat cua, dan cua
cao duc » dao duc, cao suc, giao duc
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
ve cao » va cao, ve bao, ve cac
ma hoi » mai hoi, xa hoi, ma hoa

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: te sach ((y nang) OR (ly nang)) ma hoi. hieu ve cao duc va thanh ((dat cua) OR (day cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) ma hoi. hieu ve cao duc va thanh ((dat cua) or (day cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) ma hoi. hieu ve cao duc va thanh ((dat cua) or (day cua)) tre*.