Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh nhan
doanh ban » doanh bat, doanh nhan, doanh luan
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau tuc » cau truc, cau tu, cau luc
cuu tre » cua tre, cau tren, cau treo
ve cau » ke cau, va cau, ve cac
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang xa hoi. hieu ve cau tuc va ((doanh van) OR (doanh ban)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. hieu ve cau tuc va ((doanh van) OR (doanh ban)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. hieu ve cau tuc va ((doanh van) OR (doanh ban)) cuu tre*.