Perhaps you should try some spelling variations:
string problem » sizing problem (Expand search), rostering problem (Expand search), sharing problems (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)
via python » in python (Expand search)
on string » in string (Expand search), on sharing (Expand search), ten string (Expand search)
coder on » code on (Expand search), codes on (Expand search), powder on (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 coder on string problem ) OR ( via python python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder coder on string problem ) OR ( via python python python programming ))*.