Perhaps you should try some spelling variations:
communication convection » communication connection, communications convention, communication contention
convection spatial » conventional spatial, convection heating, convection natural
spatial dimensions » social dimensions, social dimension, political dimensions
broad line » broad mite, broad ice
read line » real line, read like, read one

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication convection spatial dimensions ((read line) or (broad line))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication convection spatial dimensions ((read line) OR (broad line)).
• Adding a wildcard symbol may retrieve word variants: communication convection spatial dimensions ((read line) or (broad line))*.