Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu xanh » hieu manh, hieu nganh, dieu hanh
cua trong » cua truong, cua trung, qua trong
cong tang » cong thang, cong tan, cong lang
tang van » dang van, hoang van, trong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (chieu xanh)) - ((hanh doanh) or (chinh doanh)) cua trong cong tang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - ((hanh doanh) OR (chinh doanh)) cua trong cong tang van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - ((hanh doanh) or (chinh doanh)) cua trong cong tang van ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - ((hanh doanh) or (chinh doanh)) cua trong cong tang van ban*.