Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chat xuc » chat huu, cam xuc, chao xu
chu bang » thu bang, chuc nang, chu quang
van hanh » van thanh, ban hanh, van anh
thi cong » tai cong, thien cong
va hanh » va thanh, va danh, ban hanh
tu sach » thu sach, su sach, te sach
ve chat » va chat, van chat
hieu ve » hieu va, hieu van

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