Perhaps you should try some spelling variations:
doanh van » doanh va, doanh ban, doanh nhan
hieu van » hieu va, thien van, lieu va
doan van » doan va, hoang van, luan van
nang xa » nang x, lang xa, nang ma
van lam » van nam
duoc va » nuoc va, duoc ma, duong va
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky nang xa hoi. hieu van lam ((duoc va) or (duc va)) ((doanh van) OR (doan van)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang xa hoi. hieu van lam ((duoc va) OR (duc va)) ((doanh van) OR (doan van)) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang xa hoi. hieu van lam ((duoc va) or (duc va)) ((doanh van) OR (doan van)) cua tu".
• Adding a wildcard symbol may retrieve word variants: te san ky nang xa hoi. hieu van lam ((duoc va) or (duc va)) ((doanh van) OR (doan van)) cua tu*.