Perhaps you should try some spelling variations:
competencia control » competencia controle (Expand search), competencia central (Expand search), competencia contabil (Expand search)
boosting methods » boosting method (Expand search), costing methods (Expand search), coasting methods (Expand search)
and competencia » anp competencia (Expand search), ana competencia (Expand search), and competencies (Expand search)
using boosting » using rotating (Expand search), using boosted (Expand search), using resting (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (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: (( code AND competencia control program ) OR ( using boosting methods python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( code and competencia control program ) OR ( using boosting methods python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code and competencia control program ) OR ( using boosting methods python programming ))*.