Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
tuong manh » luong manh, tung manh, tuong lanh
duong manh » duong van
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua nhung » va nhung
toan cao » toan ban, toan tap

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 manh) or (chieu sang)) - hanh doanh cua nhung ((tuong manh) OR (duong manh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sang)) - hanh doanh cua nhung ((tuong manh) OR (duong manh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chieu sang)) - hanh doanh cua nhung ((tuong manh) OR (duong manh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sang)) - hanh doanh cua nhung ((tuong manh) OR (duong manh)) toan cao*.