Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
chain change » can change, champion change, chain channels
than change » can change, mean change, when change
haul robin » paul rozin, hahnel robin
robin paul » robyn paul, robbins paul, sabin paul
land time » land title, lead time, land take
land tax » land taxes

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: ((than change) OR (chain change)) ((land tax) OR (land time)) gender class haul robin paul ;~.
• Adding a wildcard symbol may retrieve word variants: ((than change) or (chain change)) ((land tax) or (land time)) gender class haul robin paul ;*.