Perhaps you should try some spelling variations:
"Quaderns el manejo ambiental ;" » "Quaderns el dano ambiental ;", "Quaderns el cambio ambiental ;"
quaderns el » quaderns del, quaderns per, cuadernos del
"quaderns de derecho ambiental ;" » "cuadernos de derecho ambiental ;", "cuaderno de derecho ambiental ;", "cuadernos del derecho ambiental ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Quaderns el manejo ambiental ;") OR ("quaderns de derecho ambiental ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Quaderns el manejo ambiental ;\") OR (\"quaderns de derecho ambiental ;\"))".
• Removing quotes may allow a broader search: (( Quaderns el manejo ambiental ; ) OR ( quaderns de derecho ambiental ; )).
• Adding a wildcard symbol may retrieve word variants: (("Quaderns el manejo ambiental ;") OR ("quaderns de derecho ambiental ;"))*.