Perhaps you should try some spelling variations:
concepts implementation » concept implementation, context implementation, converter implementation
implementation 2003 » implementation 100, implementation 2, implementation _
use concepts » abuse concepts, pulse concepts, reuse concepts
curtan-metragem » curtain-metragem, curtin-metragem, cartan-metragem

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

• Performing a fuzzy search may retrieve terms with similar spellings: (oscarr OR scarr) use concepts implementation 2003 curtan-metragem~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(oscarr OR scarr) use concepts implementation 2003 curtan-metragem".
• Adding a wildcard symbol may retrieve word variants: (oscarr OR scarr) use concepts implementation 2003 curtan-metragem*.