Kammala jumla mai zuwa: Olivas ya fara bugawa Nicaragua wasa a watan Yulin 1992 a wasan neman shiga gasar cin kofin duniya na FIFA da El Salvador kuma ya sami adadin wasanni 11, ba tare da zira kwallaye ba. Ya wakilci kasarsa a wasanni 4 na gasar cin kofin duniya na FIFA kuma ya taka leda a gasar cin kofin duniya na FIFA.
1993, 1995, 1997 da kuma 1999 UNCAF Nations Cups.