Perhaps you should try some spelling variations:
componente convex » componente conexa (Expand search), componente chave (Expand search), componente confiavel (Expand search)
tree componente » tree component (Expand search), tree components (Expand search), tres componentes (Expand search)
testing methods » costing methods (Expand search), test methods (Expand search), feeding methods (Expand search)
convex program » convex programs (Expand search), conviver program (Expand search), softex program (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)
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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder tree componente convex program ) OR ( using testing methods python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder tree componente convex program ) OR ( using testing methods python programming ))*.