Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
dung cong » dung trong
doanh su » doanh sieu, doanh thu, doanh cua
cong dan » cong san, cong tan, huong dan
van chat » cao chat
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu sang) OR (hieu manh)) - hanh doanh su dung cong dan van chat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu sang) OR (hieu manh)) - hanh doanh su dung cong dan van chat*".