Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
nhan cach » phan cac
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh doanh cua ((thong cong) OR (thong thong)) tan ((phan dau) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh doanh cua ((thong cong) OR (thong thong)) tan ((phan dau) OR (nhan cach)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh doanh cua ((thong cong) OR (thong thong)) tan ((phan dau) or (nhan cach))".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh doanh cua ((thong cong) OR (thong thong)) tan ((phan dau) or (nhan cach))*.