Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dien » nhanh dien, hang dien, danh dien
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
dien cua » dieu cua, dien cuc, dien cu
te sach » toc sach
va nang » van nang, da nang, cam nang
va hanh » van hanh, va thanh, va danh
soc va » hoc va, loc va, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((va nang) or (van dong)) xa hoi. hieu van cham soc va hanh dien cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((va nang) OR (van dong)) xa hoi. hieu van cham soc va hanh dien cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((va nang) or (van dong)) xa hoi. hieu van cham soc va hanh dien cua triet*.