Perhaps you should try some spelling variations:
complex control » complete control (Expand search), complex central (Expand search), complexity control (Expand search)
boosting python » boosting method (Expand search)
using boosting » using rotating (Expand search), using boosted (Expand search), using resting (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 complex control program ) OR ( using boosting python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder and complex control program ) OR ( using boosting python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder and complex control program ) OR ( using boosting python python programming ))*.