Complex sentence: By the 1970s his Pah Wongso Foundation, at 20 Blandongan St. in Glodok, Jakarta, allowed young men and women to find work.
Split into simpler sentences: By the 1970s Wongso was running the Pah Wongso Foundation, located at 20 Blandongan St. in Glodok, Jakarta. It allowed young men and women to find work.