In 7.92, it can take approximately 2-5 minutes (or having to End Task) before results appear when searching for Constituent records. For example, searching for a Last/Org Name of "Sears Hold" (partial name for Sears Holding Corporation) takes at least 2 minutes. In addition, it takes additional time to scroll through all of the results provided in order to find the record.
Download and install the latest version and patch, if applicable.
Alternate Solution: Type in the full and exact constituent name, and mark the 'Exact Match Only' checkbox