Perhaps you should try some spelling variations:
sequential method » sequencing method (Expand search), sequential motor (Expand search), sequencing methods (Expand search)
method problem » method problems (Expand search), methods problem (Expand search), method problemas (Expand search)
testing python » teaching python (Expand search), testing method (Expand search), using python (Expand search)
on sequential » of sequential (Expand search), in sequential (Expand search), and sequential (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)
code on » code of (Expand search), code and (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 on sequential method problem ) OR ( using testing python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code on sequential method problem ) OR ( using testing python python programming ))*.