Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cao xuc » cam xuc, cao duc, cao suc
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va vanh » va danh, va hanh, va anh
va cao » va cac, va co, va dao

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 ky nang xa hoi. hieu va cao xuc ((va vanh) or (va van)) thai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang xa hoi. hieu va cao xuc ((va vanh) OR (va van)) thai ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. hieu va cao xuc ((va vanh) or (va van)) thai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. hieu va cao xuc ((va vanh) or (va van)) thai ((cua triet) OR (su triet))*.