Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
va doanh » van doanh, vay doanh, va danh
cham xuc » cam xuc, chat xuc, cham soc
tu cach » tu cac
van cua » vang cua, ban cua, dan cua
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay, lang van
bang xa » bang va, mang xa, ang xa
su sach » so sach, vu sach
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 cach) or (su sach)) thu ((bang xa) or (lang xa)) hoi. hieu vu cham xuc va doanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) thu ((bang xa) OR (lang xa)) hoi. hieu vu cham xuc va doanh van cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) thu ((bang xa) or (lang xa)) hoi. hieu vu cham xuc va doanh van cua tre*.