Ideally, you pursue your studies and eventually develop a special interest. That interest motivates you to complete a Ph.d...
Do you know what I mean? Your creativity should come from the correct place. If I suggest a list of topics, it is as though I am giving you a bunch of dismembered body parts to build into a human being.
The correct place to look for your topic is RECENT ARTICLES. The topic that motivates me does not necessarily motivate you. If you read some recent articles that FASCINATE you, pay special attention to the "literature review."
Most professional journal articles will have a lit review. That will show you much of the recent work that has been done. The word YOU do depends on what has already been done.
S, you should read about the various research methods -- survey research, case studies, correlative, grounded theory, and so forth. Then, read many article about research studies using those methods. You will have to read a few hundred pages of articles about management and CRM, etc, but if these subjects truly interest you it will be enjoyable to do all that reading. In your reading, you will notice what is missing. What topic needs to be covered right now in order to help improve practice, save money, etc?
Do You Need