Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
ve triet » va trien, su triet
le triet » le tien, le viet, su triet
thanh ky » hanh ky, than ky, thanh tay
mai khoi » mai khoa, tai khoa, cac khoi
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
so sach » so sanh, bo sach, co sach
sach lo » sach dao, sach doi, sach hoi
hieu ve » hieu va, hieu van
mai hoi » dai hoi, lai hoi, mai doi
lo hang » ly hang, le hang, cho hang
ve cac » va cac, vien cac

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