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
dai hoi » dai hoc, dai hai, dai moi
lam duc » lam duoc, pham duc, nam duoc
van cua » vang cua, ban cua, dan cua
ma hoi » mai hoi, xa hoi, ma hoa
va lam » van lam, va lap
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang ((ma hoi) or (dai hoi)). lieu va lam duc va doanh van cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ((ma hoi) OR (dai hoi)). lieu va lam duc va doanh van cua tu*.