Perhaps you should try some spelling variations:
ban lanh » ban hanh, ban linh, ban anh
cay phoi » cap phoi, tay hoi, cay cho
cac dua » cach dua, cac qua, cac du
hai cua » thai cua, hoi cua, lai cua
dua ban » dia ban, cua ban, qua ban
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, gay thoi
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky dang ((xay hoi) or (cay phoi)). hieu ve cac dua ban lanh ((hai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang ((xay hoi) OR (cay phoi)). hieu ve cac dua ban lanh ((hai cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky dang ((xay hoi) or (cay phoi)). hieu ve cac dua ban lanh ((hai cua) or (dai cua)) triet*.