Perhaps you should try some spelling variations:
dang xay » dang van, van xay
xuc ban » duc ban, cuc ban, quoc ban
hoi cua » hoi chuc
hai cua » thai cua, dai cua, lai cua
ban anh » ban hanh, ban banh, ban danh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua

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 ky dang xay hoi. ((hieu ve) OR (hieu va)) cam xuc ban anh ((hai cua) or (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang xay hoi. ((hieu ve) OR (hieu va)) cam xuc ban anh ((hai cua) OR (hoi cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky dang xay hoi. ((hieu ve) OR (hieu va)) cam xuc ban anh ((hai cua) or (hoi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky dang xay hoi. ((hieu ve) OR (hieu va)) cam xuc ban anh ((hai cua) or (hoi cua)) triet*.