Perhaps you should try some spelling variations:
doanh vang » doanh van, doanh sang, doanh quang
toc sach » hoc sach, doc sach, thuoc sach
va doanh » van doanh, vay doanh, va danh
nang ma » tang ma, sang ma, nang cao
van bao » van dao
truc va » thuc va, thuc vat, trung va
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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: toc sach y nang ma hoi. hieu ((van bao) OR (van ban)) truc va doanh vang ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang ma hoi. hieu ((van bao) or (van ban)) truc va doanh vang ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang ma hoi. hieu ((van bao) or (van ban)) truc va doanh vang ((cua tre) OR (cua te))*.