Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
va doanh » van doanh, vay doanh, va danh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
van cua » vang cua, ban cua, dan cua
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
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: su sach ky sang ma hoi. hieu ((ve cam) OR (va cam)) duc va doanh van cua te~.
• Adding a wildcard symbol may retrieve word variants: su sach ky sang ma hoi. hieu ((ve cam) or (va cam)) duc va doanh van cua te*.