Perhaps you should try some spelling variations:
using system » housing system, housing systems, rating system
peng zhang » cheng zhang, peng liang
zhang ying » zhang ming, zhang jing, zhang ping
wang peng » wang zheng, wang yang, wang yong
iii using » ii using, iii king
ying iii » ying jin
wai yan » wang yan, wei yang
yang xi » yang jui
yang yi » yang jui

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: ((wai yan) OR (((((yang xi) OR (yang di))) OR (yang yi)))) wang peng zhang ying iii using system ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wai yan) or (((((yang xi) OR (yang di))) or (yang yi)))) wang peng zhang ying iii using system ;~".
• Adding a wildcard symbol may retrieve word variants: ((wai yan) or (((((yang xi) OR (yang di))) or (yang yi)))) wang peng zhang ying iii using system ;*.