Perhaps you should try some spelling variations:
communication information » communication international, communication education
information made » information madm, information model, information may
dispersion wave » dispersive waves, dispersion janet, dispersion a
dispersion a49 » dispersion a, dispersion data, dispersion part
viveros » viveiros, viveroas, viverosa

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication information made ((dispersion a49) or (dispersion wave)) viveros~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication information made ((dispersion a49) OR (dispersion wave)) viveros.
• Adding a wildcard symbol may retrieve word variants: communication information made ((dispersion a49) or (dispersion wave)) viveros*.