Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
khong cong » thong cong, khong cang, chong cong
hieu lang » hieu quang, nhieu tang, hieu van
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
cong tac » cong ty
han tap » toan tap, nhan tai, nhan tao
han tai » hang tai, nhan tai, van tai

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