Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder coder planar parallel programming" » "coder core planar parallel programming" (Expand search), "coder convex planar parallel programming" (Expand search), "coder modelo planar parallel programming" (Expand search), "coder decoder planar parallel programming" (Expand search), "code code planar parallel programming" (Expand search), "decoder codec planar parallel programming" (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 planar parallel programming\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder planar parallel programming ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder planar parallel programming") OR ("in python python python programming"))*.