Perhaps you should try some spelling variations:
liang ying » liang liying, huang ying, zhang ying
lian xiang » li xiang
using rate » using state, using gated, using nitrate
changes im » changes ii, changes big, changes did
changes i » changes ii, changes _, changes 5
a using » 7a using, 2 using, 3 using
cio a » cio _, ceo a, cfo a

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: wang ((liang ying) OR (lian xiang)) cio a using rate ((changes im) OR (changes i)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang ying) or (lian xiang)) cio a using rate ((changes im) OR (changes i)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((liang ying) or (lian xiang)) cio a using rate ((changes im) OR (changes i)) ;*.