Perhaps you should try some spelling variations:
computational representation » proportional representation, computational prediction, spatial representation
population representation » computation representation, population implementation, solution representation
methods sector » methods section, methods reactor, methods sensor
sector recent » vectors recent, sector report, sector renee
recent libre » recent life, recent large, recent lgbt

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((population representation) OR (computational representation)) methods sector recent libre~.
• Adding a wildcard symbol may retrieve word variants: ((population representation) or (computational representation)) methods sector recent libre*.