Perhaps you should try some spelling variations:
dia thanh » gia thanh, da thanh, dinh thanh
thanh vi » hanh vi, thanh va, thanh ve
su triet » su tien, ve triet
anh thuc » am thuc, dan thuc, anh tu
thuc dia » thuc dieu, thuat dia, thuc giai
cua tre » cua te, cuu tre, cua triet
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
su viet » so viet
y nang » ky nang, ly nang, v nang
va anh » van anh, va danh, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach y nang xa hoi. hieu va anh thuc dia thanh vi ((cua tre) or (((su triet) OR (su viet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang xa hoi. hieu va anh thuc dia thanh vi ((cua tre) OR (((su triet) OR (su viet))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach y nang xa hoi. hieu va anh thuc dia thanh vi ((cua tre) or (((su triet) OR (su viet))))*".