Perhaps you should try some spelling variations:
digital transmission » digital transition, signal transmission, regional transmission
digital information » digital transformation, fiscal information
palm digital » farm digital, from digital, bim digital
do digital » go digital, does digital, der digital
lines » line

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( do digital information services ) or ( palm digital transmission lines ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( do digital information services ) OR ( palm digital transmission lines )).
• Adding a wildcard symbol may retrieve word variants: (( do digital information services ) or ( palm digital transmission lines ))*.