Perhaps you should try some spelling variations:
esther artigas » esther vargas
artigas para » fatigas para, criticas para, aditivas para
medicion de » medicina de
de campos » de campo, de caminos, de cambios
campos e » campos de, campos el, campos en
lago paz » la paz, lago la, lago mas
e lago » el lago, de lago, e lano

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion de campos e lago paz ; ) OR ( edicion de maria esther artigas para ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( medicion de campos e lago paz ; ) or ( edicion de maria esther artigas para ; ))*.