Potser podríeu intentar variants ortogràfiques:
equipment sources » equivalent sources, equipment series, equipment services
sources provision » resource provision, sources vision, course provision
array strong » array string, array sharing, norway strong
array arcing » array forming, array probing, array sharing
array paving » array planning, array imaging, array probing

Pot obtenir més resultats si ajusta la seva cerca.

• Si vols fer servir operadors booleans, han d'estar en majúscules: purification equipment sources provision ((((array strong) OR (array arcing))) OR (array paving))~.
• Afegint truncament pot recuperar més registres: purification equipment sources provision ((((array strong) or (array arcing))) or (array paving))*.