Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
va doanh » van doanh, va danh, hoa doanh
viec cac » vien cac, viec lam, viec va
nang ma » tang ma, sang ma, nang cao
con cua » cong cua, co cua, dong cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
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 nang ma hoi. hieu ((viec cac) or (viec cua)) xuc ((va doanh) OR (vay doanh)) con cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ma hoi. hieu ((viec cac) OR (viec cua)) xuc ((va doanh) OR (vay doanh)) con cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky nang ma hoi. hieu ((viec cac) or (viec cua)) xuc ((va doanh) OR (vay doanh)) con cua tu".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ma hoi. hieu ((viec cac) or (viec cua)) xuc ((va doanh) OR (vay doanh)) con cua tu*.