Search for articles on your topic in one of the following online databases. If your topic is complex, you may want to look at various aspects of communications, so consider searching subject specific databases, e.g. communications in nursing, etc.
Quotation marks (" ") are used when you want to search an exact phrase of two or more words. For example searching for social media without the quotation marks gives nearly 18 million results (as of August 2020), whereas searching for "social media" with the quotations marks gives 5 million results.