Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
doanh co » doanh cua, doanh va, anh co
va doanh » van doanh, vay doanh, va danh
viec cac » vien cac, viec cua, viec lam
sang ky » sang kyo, dang ky, tang ky
cac luc » cau luc, coc luc, cac nuoc
co cua » con cua, ca cua, cong cua
luc va » duc va, tuc va, loc va
san ky » van ky, dan ky, ban ky
ma hoi » mai hoi, ma hoa, me hoi
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: tu ((san ky) OR (sang ky)) nang ((ma hoi) or (xa hoi)). hieu viec cac luc va doanh co cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (sang ky)) nang ((ma hoi) OR (xa hoi)). hieu viec cac luc va doanh co cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((san ky) OR (sang ky)) nang ((ma hoi) or (xa hoi)). hieu viec cac luc va doanh co cua tu".
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) OR (sang ky)) nang ((ma hoi) or (xa hoi)). hieu viec cac luc va doanh co cua tu*.