Perhaps you should try some spelling variations:
chu bang » thu bang, chuc nang, chu quang
su triet » su viet, ve triet
hanh dai » hanh tai, hanh dao, vanh dai
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
ki nang » ky nang
su tien » su kien, su hien, tu tieng
xuc va » duc va, tuc va, luc va

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 ((chu bang) or (ki nang)) xa hoi. hieu ve chat xuc va hanh dai ((su triet) OR (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((chu bang) OR (ki nang)) xa hoi. hieu ve chat xuc va hanh dai ((su triet) OR (su tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((chu bang) or (ki nang)) xa hoi. hieu ve chat xuc va hanh dai ((su triet) OR (su tien))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((chu bang) or (ki nang)) xa hoi. hieu ve chat xuc va hanh dai ((su triet) OR (su tien))*.