Perhaps you should try some spelling variations:
components central » componente central (Expand search), components neutral (Expand search), componentes centrais (Expand search)
subsampling python » subsampling ratio (Expand search)
using subsampling » and subsampling (Expand search)
central programa » mental programa (Expand search), centro programa (Expand search), contrato programa (Expand search)
and components » yield components (Expand search), blood components (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.

• Removing quotes may allow a broader search: (( coder and components central programa ) OR ( using subsampling python python programming ))~.