Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
vay doanh » van doanh, ly doanh, voi doanh
va triet » va thiet, va trien, ve triet
tuc vay » tuc va, tu vay, tuc xay
cua tre » cua te, cuu tre, cua triet
cac tuc » cac toc, cac tu, cac tac
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ve cac » va cac, vien cac
te sac » te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) OR (te sach)) ky nang xa hoi. hieu ve cac tuc vay doanh van ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang xa hoi. hieu ve cac tuc vay doanh van ((cua tre) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te sach)) ky nang xa hoi. hieu ve cac tuc vay doanh van ((cua tre) or (va triet))*".