Below are recommended databases where you can find dissertations and theses in any subject areas.
Al Manhal is a leading database that provides a unique opportunity to all QNL users to access Arabic ebooks, full text of peer-reviewed eJournals, and thousands of full-text dissertations & theses from the Arab world's leading universities, research centers and scientific societies. Al Manhal also provides you with the Middle East Strategic Studies Online (MESSO), which is the most comprehensive source for research, intelligence and analysis in Middle East affairs.
You may also want to browse this guide on how to search a thesis or dissertation in the databases mentioned above.