Perhaps you should try some spelling variations:
down planned » how planned, down planning, down land
planned what » placed what, explained what, planning what
zhang jian » zhang fan, shang jin
hong down » ring down, holding down
liang sun » liang dan, liang tan, wing sun
we zhang » we change, ceo zhang, jie zhang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hong down planned what we zhang jian ((cong shu) OR (liang sun)) ;~.
• Adding a wildcard symbol may retrieve word variants: hong down planned what we zhang jian ((cong shu) or (liang sun)) ;*.