Perhaps you should try some spelling variations:
east thinking » case thinking, art thinking, extant thinking
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
four bonn » four box
four book » four books, your book, four box
yang all » wang all, yang dali, yang li
all east » small east, all else

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang all east thinking ((four bonn) OR (four book)) mein ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yang all east thinking ((four bonn) OR (four book)) mein ;*.