החיפוש שביצעת - information word based dspaces ((((euclidean half) or (euclidean space))) or (euclidean dspaces))~ - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
euclidean dspaces » euclidean spaces, euclidean distances, euclidean subspaces
information word » information world, information work, information worlds
euclidean half » euclidean ball, euclidean phase, euclidean case
based dspaces » based spaces, based space, based distances
word based » work based, food based, card based
dspaces » ddspaces
space » dspace

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