Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh van » doan van, doanh va, doanh ban
te sach » toc sach
ky dang » ky danh
hieu va » lieu va, hieu qua
lam xuc » cam xuc, lam duoc
xuc van » duc van, luc van, vuc van
cuu tre » cua tre, cau tren, cau treo
va lam » van lam, va lap
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 ((ky dang) OR (ky nang)) xa hoi. hieu va lam xuc van doanh van ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky nang)) xa hoi. hieu va lam xuc van doanh van ((cuu tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky dang) OR (ky nang)) xa hoi. hieu va lam xuc van doanh van ((cuu tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) OR (ky nang)) xa hoi. hieu va lam xuc van doanh van ((cuu tre) or (cua te))*.