Perhaps you should try some spelling variations:
"coder coder contrast based program" » "coder covert contrast based program" (Expand search), "coder color contrast based program" (Expand search), "coder colour contrast based program" (Expand search), "coder coder contract based program" (Expand search), "coder coder contracts based program" (Expand search), "coder coder constraint based program" (Expand search), "coder decoder contrast based program" (Expand search), "code code contrast based program" (Expand search), "decoder codec contrast based program" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder contrast based program") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder contrast based program\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder contrast based program ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder contrast based program") OR ("via python python python programming"))*.