Perhaps you should try some spelling variations:
demand books » hand books, land books
demand bank » demand brand, demand based, demand mbale
wang hong » wang yong, wang hyoung, wang lihong
yang jui » yang judy, yang xi, yang yi
hong gun » hyoung gun, thong guan, hong gang
3 human » 2 human
ngs 3 » wgs 3

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: ((yang jui) OR (yang di))ngs 3 human ((demand bank) OR (demand books)) wang hong gun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang jui) or (yang di))ngs 3 human ((demand bank) OR (demand books)) wang hong gun ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang jui) or (yang di))ngs 3 human ((demand bank) OR (demand books)) wang hong gun ;*.