Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
va doanh » van doanh, vay doanh, va danh
sach ty » sach tu, sach thu, xach tay
ban cua » ban quan
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
ma hoi » mai hoi, ma hoa, me hoi
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) OR (sach y)) hang ((ma hoi) or (xa hoi)). hieu ve cac xuc va doanh ban cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) hang ((ma hoi) OR (xa hoi)). hieu ve cac xuc va doanh ban cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach y)) hang ((ma hoi) or (xa hoi)). hieu ve cac xuc va doanh ban cua te".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach y)) hang ((ma hoi) or (xa hoi)). hieu ve cac xuc va doanh ban cua te*.