Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
mang cua » manh cua, dung cua, ban cua
lang cua » hang cua, long cua, tang cua
va doanh » van doanh, vay doanh, va danh
hieu van » hieu va, thien van, lieu va
mai hoi » mai khoi, dai hoi, lai hoi
van cam » van nam, van lam, van cau
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
ma hoi » xa hoi, ma hoa, me hoi

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: thu sach y nang ((ma hoi) OR (mai hoi)). hieu van cam xuc va doanh ((lang cua) OR (mang cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang ((ma hoi) OR (mai hoi)). hieu van cam xuc va doanh ((lang cua) or (mang cua)) te~".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang ((ma hoi) OR (mai hoi)). hieu van cam xuc va doanh ((lang cua) or (mang cua)) te*.