Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chu bang » thu bang, chuc nang, chu quang
hanh dai » hanh tai, hanh dao, vanh dai
chat xuc » chat huu, cam xuc, chao xu
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
hieu ve » hieu van
ki nang » ky nang
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) OR (hieu va)) chat xuc va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((chu bang) OR (ki nang)) xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((chu bang) or (ki nang)) xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((chu bang) or (ki nang)) xa hoi. ((hieu ve) OR (hieu va)) chat xuc va hanh dai cua triet*.