Perhaps you should try some spelling variations:
general administrativa » general administrative, general administracion, generales administrativos
general administration » general administracion, general administrative, generales administrativos
modelos econometricos » modelo economico
jogos economicos » juegos economicos, costos economicos, modelos economicos
bogota economia » bogota economic
de derechos » los derechos

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((general administrativa) OR (general administration)) ((bogota economia) or (((jogos economicos) or (modelos econometricos)))) de derechos~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((general administrativa) OR (general administration)) ((bogota economia) OR (((jogos economicos) OR (modelos econometricos)))) de derechos.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((general administrativa) OR (general administration)) ((bogota economia) or (((jogos economicos) or (modelos econometricos)))) de derechos".
• Adding a wildcard symbol may retrieve word variants: ((general administrativa) OR (general administration)) ((bogota economia) or (((jogos economicos) or (modelos econometricos)))) de derechos*.