Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, va triet
bat thanh » ban thanh, bac thanh, dat thanh
thanh ve » hanh ve, thanh va, thanh vien
su triet » su viet, su tien, ve triet
hieu va » lieu va, hieu qua
cao duc » dao duc, cao suc, giao duc
duc bat » duoc bat, duc ban, duc bao
cua tre » cua te, cuu tre, dua tren
nang xa » nang x, lang xa, nang ma
va cao » va cac, va co, va dao
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang xa hoi. hieu va cao duc bat thanh ve ((((cua tre) OR (cua triet))) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang xa hoi. hieu va cao duc bat thanh ve ((((cua tre) OR (cua triet))) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y nang xa hoi. hieu va cao duc bat thanh ve ((((cua tre) OR (cua triet))) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang xa hoi. hieu va cao duc bat thanh ve ((((cua tre) OR (cua triet))) or (su triet))*.