Perhaps you should try some spelling variations:
using system » housing system, housing systems, rating system
zhang peng » zhang ping, zhang ming, wang peng
peng zhang » cheng zhang, peng liang
zhang ying » zhang ming, zhang jing, zhang ping
wei yang » pei yang, wei wang, wei yang's
ii using » iii using, 2 using, 1 using
yang xi » yang di, yang jui
yang yi » yang di, yang jui
ying ii » ying jin

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: ((wei yang) OR (((yang xi) OR (yang yi)))) zhang peng zhang ying ii using system ;~.
• Adding a wildcard symbol may retrieve word variants: ((wei yang) or (((yang xi) or (yang yi)))) zhang peng zhang ying ii using system ;*.