Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham luc » cham soc, nhan luc, cham cuu
canh dan » sanh dan, thanh dan, cac dan
canh van » anh van, can van, cach van
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
y tang » ky tang, 6 tang, 7 tang
luc va » duc va, tuc va, loc va

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 tang xa hoi. hieu ve cham luc va ((canh dan) OR (canh van)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach y tang xa hoi. hieu ve cham luc va ((canh dan) OR (canh van)) cua triet*.