Perhaps you should try some spelling variations:
human land » human brand, human demand
yang yang » wang yang, wang yan
books wai » books what, books a, books iii
yang fan » zhang fan, yang dean, yang jin
books ii » book ii, books _, books a
3 human » 2 human
yan kun » yan guan, yan yuan
nr 3 » nr 1, nr 2, nr 4

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 fan) OR (yang yang))) OR (yang di))nr 3 human land ((books wai) OR (books ii)) yan kun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang fan) or (yang yang))) or (yang di))nr 3 human land ((books wai) OR (books ii)) yan kun ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang fan) or (yang yang))) or (yang di))nr 3 human land ((books wai) OR (books ii)) yan kun ;*.