Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
dieu hien » dieu khien, dieu kien, bieu hien
doanh dao » doanh bao, doanh cao, doanh giao
thu sach » tu sach, thuat sach, thuoc sach
kho tang » cao tang
hien cam » hien cac, hien cau, hien giam
ky tang » ky nang, ky dang, ky trong
xuc vay » xuc hay
dao cua » dai cua, day cua, dan cua
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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 ((ky tang) OR (kho tang)) ma hoi. dieu hien cam xuc vay doanh dao cua tu~.
• Adding a wildcard symbol may retrieve word variants: thu sach ((ky tang) or (kho tang)) ma hoi. dieu hien cam xuc vay doanh dao cua tu*.