Potser podríeu intentar variants ortogràfiques:
information services » information science
neural expression » neutral expressions, gestural expression, general expression
services neural » services nepal, services rural, devices neural
array imaging » arrays imaging, airway imaging, ray imaging
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing

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• Executant una cerca difusa por obtener resultaste amo pararles similares: information services neural expression ((((array string) or (array imaging))) or (array arcing))~.
• Si vols fer servir operadors booleans, han d'estar en majúscules: information services neural expression ((((array string) OR (array imaging))) OR (array arcing)).
• Afegint truncament pot recuperar més registres: information services neural expression ((((array string) or (array imaging))) or (array arcing))*.