Perhaps you should try some spelling variations:
"pitons python python python programming" » "pitons pythons python python programming" (Expand search), "pitons piton python python programming" (Expand search), "pitons pytm python python programming" (Expand search)
"coder coding in parallel programming" » "modern coding in parallel programming" (Expand search), "color coding in parallel programming" (Expand search), "odor coding in parallel programming" (Expand search), "coder coding and parallel programming" (Expand search), "coder coding _ parallel programming" (Expand search), "coder coding of parallel programming" (Expand search), "coder coding rna parallel 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 coding in parallel programming") OR ("pitons python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding in parallel programming\") OR (\"pitons python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding in parallel programming ) OR ( pitons python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding in parallel programming") OR ("pitons python python python programming"))*.