Complex sentence: He served as The President of The University Of Tripoli (Previously known as Al fateh University) from 1989 to 1990 at that time he banned university professors from giving private lessons with payments thus that all students can only study in the university for free.
Split into simpler sentences: He served as the president of The University Of Tripoli (Previously known as Al fateh University) from 1989 to 1990. At that time he banned university professors from giving private lessons with payments thus that all students can only study in the university for free.