Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
hieu van » hieu va, thien van, lieu va
danh sai » dung sai, danh bat, danh dau
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
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: te sach ky nang xa hoi. hieu van cam xuc va ((doanh van) or (danh sai)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu van cam xuc va ((doanh van) OR (danh sai)) cau tren.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu van cam xuc va ((doanh van) or (danh sai)) cau tren*.