Databases can be searched individually or in publisher groupings: for example, ProQuest databases (marked below as PQ) can be searched concurrently.
The BULS search bosnia AND genocide retrieves 111 books (as of Feb 2018); 38 have been published in the last 5 years.
Using the bibliographies of recently published books can help you identify recent scholarship and primary source documents that might otherwise be difficult to discover.
Try searching this topic by subject as well:
For book suggestions see also
Example from this database
Genocide in Bosnia-Herzegovina