Perhaps you should try some spelling variations:
digital transmission » digital transition, signal transmission, regional transmission
information sources » information resources, information services, information security
nepal social » legal social, deal social, general social
palm digital » farm digital, from digital, bim digital
real social » deal social, retail social, legal social
lines » line

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: (( ((nepal social) OR (real social)) information sources ) OR ( palm digital transmission lines ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((nepal social) OR (real social)) information sources ) or ( palm digital transmission lines ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((nepal social) OR (real social)) information sources ) or ( palm digital transmission lines ))*.