"discussion covered" is correct and usable in written English.
It can be used to refer to a range of topics discussed during a meeting or conversation. For example, "The discussion covered a range of topics, from current events to local businesses."
Furthermore the discussion covered not just Syria.
Their wide-ranging discussion covered the EU (the Pirates would put Iceland's membership application to a referendum), fishing quotas, whaling, climate change and the party's name.
Their discussion covered many topics, including the Super Bowl they will host in 2014, the current labor negotiations and the overblown Dolphins' issue.
The discussion covered the investment climate for Western firms in the Kyrgyz Republic, the problem of corruption, the revival of the "Great Game," Russian and Chinese influence in the country, and the Prince's personal views on promoting British economic interests.
The discussion covered a variety of topics including the important role of natural gas in our domestic energy portfolio, new opportunities for renewables like wind, solar and advanced biofuels, the importance of clean energy research and development, as well as the promise and potential of increased energy efficiency in our homes and businesses".
The discussion covered a range of topics, including the security threat from China, Chrome OS, and Google's future.
The following discussion covers five types of collective obsession: fads, hysterical contagion, deviant epidemic, fashion, and crazes.
The dynamic load discussion covers waves, added mass and impulse loads.
The discussion covers the whole development procedure starting from component selection and characterisation and concluding with actual phase noise measurements.
Goldberg's discussion covers many subtle ways in which the scenario communicated affects whether the use of a construction is grammatical and appropriate.
The discussion covers power-sources and most newer versions of some traditional welding processes and how they affect the welding engineering approaches of the past.
