Perhaps you should try some spelling variations:
component control » componente controle (Expand search), compliant control (Expand search), component context (Expand search)
sampling python » sampling method (Expand search), sampling position (Expand search), sampling methods (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
and sampling » _ sampling (Expand search), and sample (Expand search)
coder tree » modern tree (Expand search), under tree (Expand search), poder tres (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 tree component control program ) OR ( AND sampling python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder tree component control program ) OR ( and sampling python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder tree component control program ) OR ( and sampling python python programming ))*.