Perhaps you should try some spelling variations:
methodological proposals » methodological proposal (Expand search), methodology proposal (Expand search), methodological procedures (Expand search)
testing methodological » setting methodological (Expand search), teaching methodological (Expand search), testing methodologies (Expand search)
common testing » common meeting (Expand search), common teaching (Expand search), common starting (Expand search)
using locking » using docking (Expand search), using stacking (Expand search), using tracking (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder common » modern common (Expand search), under common (Expand search), core common (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 common testing methodological proposals ) OR ( using locking python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder common testing methodological proposals ) OR ( using locking python python programming ))*.