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

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 cam 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 cam 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 cam xuc ((va hanh) or (van hanh)) dai cua triet*.