Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su viet, su tien, ve triet
thanh ky » hanh ky, than ky, thanh tay
xuc van » duc van, luc van, vuc van
sach lo » sach dao, sach doi, sach hoi
so sach » so sanh, bo sach, co sach
lo hang » ly hang, le hang, cho hang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach lo hang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (va cam)) xuc van thanh ky su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach lo hang ((ma hoi) OR (xa hoi)). hieu ((ve cam) OR (va cam)) xuc van thanh ky su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach lo hang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (va cam)) xuc van thanh ky su triet*".