Perhaps you should try some spelling variations:
potencia control » potencia controle (Expand search), potencial controle (Expand search), potencial controlo (Expand search)
testing methods » costing methods (Expand search), test methods (Expand search), feeding methods (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
using testing » using resting (Expand search), using nesting (Expand search), ring testing (Expand search)
and potencia » and potencial (Expand search), and potentia (Expand search), ano potencia (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( code and potencia control program ) OR ( using testing methods python programming ))~.