Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van cham » van chat, va cham, van pham
van tham » van thanh, van tuan, van chat
hanh dai » hanh tai, hanh dao, vanh dai
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
soc va » hoc va, loc va, doc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky tang)) xa hoi. hieu ((van cham) OR (van tham)) soc va hanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky lang) OR (ky tang)) xa hoi. hieu ((van cham) or (van tham)) soc va hanh dai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) OR (ky tang)) xa hoi. hieu ((van cham) or (van tham)) soc va hanh dai cua triet*.