Perhaps you should try some spelling variations:
patient communication » project communication, hygiene communication, efficient communication
technology improve » technologies improve, technology improving, technology impact
transregional ties » transregional links, transnational ties, transnational times
susy patient » study patients, nurse patient, cost patient
4 developing » 3 developing
ties susy » ties study
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology improve transregional ties susy patient communication costs 4 developing _ areas.*.