Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
change long » change land, exchange along
gender long » gender lens, gender land, gender blind
can change » urban change
gender low » gender law, gender laws, gender labor
robin paul » robyn paul, robbins paul, sabin paul
long tip » long trip, long time, long tail
hahnel » hahne, hanel

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

• Performing a fuzzy search may retrieve terms with similar spellings: can change long tip ((((gender long) OR (gender low))) or (gender class)) hahnel robin paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: can change long tip ((((gender long) OR (gender low))) OR (gender class)) hahnel robin paul ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "can change long tip ((((gender long) OR (gender low))) or (gender class)) hahnel robin paul ;*".