Perhaps you should try some spelling variations:
lines programming » line programming (Expand search), linear programming (Expand search), lineal programming (Expand search)
precoder scheme » precoding scheme (Expand search)
coder precoder » coder decoder (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
scheme lines » scheme lne2s (Expand search), scheme in (Expand search), some lines (Expand search)
in python » _ 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: "(( coder precoder scheme lines programming ) OR ( in python python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder precoder scheme lines programming ) OR ( in python python python programming ))*.