Perhaps you should try some spelling variations:
"pythons python python python programming" » "pitons python python python programming" (Expand search), "piton python python python programming" (Expand search), "pythons piton python python programming" (Expand search), "pythons pitons python python programming" (Expand search), "pythons pytm python python programming" (Expand search)
"coder coding of parallel programming" » "modern coding of parallel programming" (Expand search), "color coding of parallel programming" (Expand search), "odor coding of parallel programming" (Expand search), "coder coding _ parallel programming" (Expand search), "coder bonding of 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 coding of parallel programming\") OR (\"pythons python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding of parallel programming ) OR ( pythons python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding of parallel programming") OR ("pythons python python python programming"))*.