Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
thu bang » thu hang, chu bang, thu trang
cham xuc » cam xuc, chat xuc, cham soc
va doanh » van doanh, vay doanh, va danh
tu sach » thu sach, su sach, te sach
thu ban » thu hang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((thu bang) OR (thu ban)) xa hoi. hieu vu cham xuc va doanh van cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu bang) OR (thu ban)) xa hoi. hieu vu cham xuc va doanh van cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu bang) OR (thu ban)) xa hoi. hieu vu cham xuc va doanh van cua tre*.