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 sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
ve cham » va cham, ve chat, vu cham
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
cuu tre » cau tren, cau treo
sach v » sach va, sach y, sach 2
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 v ((nang xa) or (nang x)) hoi. hieu ve cham xuc va doanh van ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v ((nang xa) OR (nang x)) hoi. hieu ve cham xuc va doanh van ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v ((nang xa) or (nang x)) hoi. hieu ve cham xuc va doanh van ((cua tre) OR (cuu tre))*".