Perhaps you should try some spelling variations:
doanh giao » danh gia, anh giao, toan giao
doanh dan » doanh ban, doanh van, doanh dao
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
van cac » van hac, van cau, van bac
cac toc » cac toi, cac nuoc, cac thoi
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
toc va » hoc va, toc ta, tuc va
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty nang xa hoi. hieu van cac toc va ((doanh dan) OR (doanh giao)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty nang xa hoi. hieu van cac toc va ((doanh dan) or (doanh giao)) cua te~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty nang xa hoi. hieu van cac toc va ((doanh dan) or (doanh giao)) cua te*.