Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
yan liang » wang liang, you liang, yan wang
ii gender » i gender, 2 gender, 3 gender
die young » rudie young, live young, kim young
young chi » young choi, young child, young hr
das clan » das bilan, das land, das cern
bias die » bias due, bias time, bias der

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: wang ((das clan) OR (((yang liang) OR (yan liang)))) ii gender bias die young chi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((das clan) or (((yang liang) OR (yan liang)))) ii gender bias die young chi ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((das clan) or (((yang liang) OR (yan liang)))) ii gender bias die young chi ;*.