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