Perhaps you should try some spelling variations:
ve triet » va trien, su triet
thanh ky » hanh ky, than ky, thanh tay
thanh ki » thanh kim, thanh ke, thanh kinh
sach le » cach le, sach de, sach lo
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
le hang » le hoang, le thang, le hong
ca hoi » cua hoi, xa hoi, co hoi
ve cam » ve cham, ve cac, va cam

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 sach le hang ((ca hoi) OR (cau hoi)). hieu ve cam xuc van ((thanh ki) OR (thanh ky)) ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach le hang ((ca hoi) or (cau hoi)). hieu ve cam xuc van ((thanh ki) OR (thanh ky)) ve triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach le hang ((ca hoi) or (cau hoi)). hieu ve cam xuc van ((thanh ki) OR (thanh ky)) ve triet*.