Perhaps you should try some spelling variations:
chat truc » cau truc, chat xuc
danh dai » danh dau, danh sai, vanh dai
va triet » va thiet, va trien, ve triet
sach ky » sac ky, sach y, sach ty
danh di » danh du, xanh di, danh dien
tu sach » thu sach, su sach, te sach
truc va » thuc va, thuc vat, trung va
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
su tien » su kien, su hien, tu tieng
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x hoi. hieu va chat truc va ((danh dai) or (danh di)) ((va triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu va chat truc va ((danh dai) OR (danh di)) ((va triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu va chat truc va ((danh dai) or (danh di)) ((va triet) or (su tien))*.