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

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 lens) or (gender blind)) hahne robin paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: can change long tip ((gender lens) OR (gender blind)) hahne robin paul ;*.