Perhaps you should try some spelling variations:
one parent » lone parents, one percent, one part
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
one agent » one event, und agent
one gene » gene gene, e gene, one get
die bank » die banken
yang a » yang ka, yang _, yang 8
a gene » a genre, a gender, a gentle

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 yang yang a gene ((((((one gene) OR (one agent))) OR (one parent))) OR (die bank)) one abu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang a gene ((((((one gene) OR (one agent))) or (one parent))) or (die bank)) one abu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yang a gene ((((((one gene) OR (one agent))) or (one parent))) or (die bank)) one abu ;*.