Perhaps you should try some spelling variations:
sequential methodological » sequential methodologies (Expand search), sequencia metodologica (Expand search), sequential methodology (Expand search)
methodological problems » methodological process (Expand search), methodological profile (Expand search), methodological proposals (Expand search)
trial sequential » the sequential (Expand search), in sequential (Expand search), with sequential (Expand search)
testing python » teaching python (Expand search), testing method (Expand search), using python (Expand search)
using testing » using resting (Expand search), using nesting (Expand search), ring testing (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (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: "(( code trial sequential methodological problems ) OR ( using testing python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code trial sequential methodological problems ) OR ( using testing python python programming ))*.