Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
thu sach » tu sach, thuat sach, thuoc sach
va doanh » van doanh, vay doanh, va danh
thu nang » thi nang, thu hang, thu bang
cham xuc » cam xuc, pham duc, chao xu
sach thu » sach thue, sach thieu, sach tham
chat xuc » chat huu, cam xuc, chao xu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
van cu » van cau, van chu, van cua
cu tre » cu tren, cua tre, cuu tre

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach thu nang xa hoi. hieu ve ((((cham xuc) or (chat xuc))) or (cham soc)) va doanh van cu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thu nang xa hoi. hieu ve ((((cham xuc) OR (chat xuc))) OR (cham soc)) va doanh van cu tre.
• Adding a wildcard symbol may retrieve word variants: thu sach thu nang xa hoi. hieu ve ((((cham xuc) or (chat xuc))) or (cham soc)) va doanh van cu tre*.