Perhaps you should try some spelling variations:
component contra » componentes contra (Expand search), componente central (Expand search), components central (Expand search)
coupling python » coupling protein (Expand search)
contra program » contract program (Expand search), control program (Expand search), contrato programa (Expand search)
using coupling » running coupling (Expand search), using competing (Expand search), using coupled (Expand search)
and component » and components (Expand search), _ component (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder and » code and (Expand search), codes and (Expand search), poder and (Expand search)

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: (( coder AND component contra program ) OR ( using coupling python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder and component contra program ) OR ( using coupling python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder and component contra program ) OR ( using coupling python python programming ))*.