Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
chat xuc » chat huu, cam xuc, chat cua
va doanh » van doanh, vay doanh, va danh
doanh co » doanh cua, doanh va, anh co
cao hoi » co hoi, cao hoc, tao hoi
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
co cua » con cua, ca cua, cong cua
cua su » qua su

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 ((cao hoi) or (cau hoi)). hieu vien ((chat xuc) OR (chao xu)) va doanh co cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ((cao hoi) OR (cau hoi)). hieu vien ((chat xuc) OR (chao xu)) va doanh co cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky nang ((cao hoi) or (cau hoi)). hieu vien ((chat xuc) OR (chao xu)) va doanh co cua su".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ((cao hoi) or (cau hoi)). hieu vien ((chat xuc) OR (chao xu)) va doanh co cua su*.