Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh
van tuan » van quan, van ban, anh tuan
te sach » toc sach
hieu ve » hieu va, hieu van
van cua » vang cua, ban cua, dan cua
y nang » ky nang, ly nang, v nang
ve bac » ve bao, ve cac, ve ban
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ve bac bo ((van thanh) OR (van tuan)) van cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ve bac bo ((van thanh) OR (van tuan)) van cua triet*.