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
doanh qua » doanh quan, doanh cua, danh qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
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 qua dung cong dan van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu sang) OR (hieu manh)) - hanh doanh qua dung cong dan van chat*.