Perhaps you should try some spelling variations:
histogram representation » integral representation, historical representations, storage representation
representation 2 » representation _, representation a, representation based
snar based » snag based, star based, sugar based
sar based » qsar based, star based, ar based
2 curtan » _ curtain, _ cartan, _ curtin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((sar based) OR (snar based)) histogram representation 2 curtan-metragem~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((sar based) OR (snar based)) histogram representation 2 curtan-metragem".
• Adding a wildcard symbol may retrieve word variants: ((sar based) OR (snar based)) histogram representation 2 curtan-metragem*.