Potser podríeu intentar variants ortogràfiques:
communication education » community education, communication communication, communication information
education based » reduction based, education bicssc, education brazil
based extension » based extraction
array forming » array format, array arcing, array fermi
array string » array strong, arrays strings, array sharing

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• Executant una cerca difusa por obtener resultaste amo pararles similares: communication education based extension ((array string) or (((arrays using) or (array forming))))~.
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• Afegint truncament pot recuperar més registres: communication education based extension ((array string) or (((arrays using) or (array forming))))*.