Perhaps you should try some spelling variations:
today communications » oral communication, radar communication, optical communications
mobile communication » risk communication
optic communication » optical communications, oral communication, political communication
aided communication » risk communication
grid communication » risk communication, oral communication, radar communication

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( fiber-optic communication ) or ( fiber-((((grid communication) OR (aided communication))) or (((today communications) or (mobile communication)))) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( fiber-optic communication ) OR ( fiber-((((grid communication) OR (aided communication))) OR (((today communications) OR (mobile communication)))) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( fiber-optic communication ) or ( fiber-((((grid communication) OR (aided communication))) or (((today communications) or (mobile communication)))) ))".
• Adding a wildcard symbol may retrieve word variants: (( fiber-optic communication ) or ( fiber-((((grid communication) OR (aided communication))) or (((today communications) or (mobile communication)))) ))*.