Perhaps you should try some spelling variations:
"coder coder optimization parallel programming" » "coder coder optimization parameter programming" (Expand search), "coder coder optimization problem programming" (Expand search), "coder coder optimization particle programming" (Expand search), "coder code optimization parallel programming" (Expand search), "coder modern optimization parallel programming" (Expand search), "coder powder optimization parallel programming" (Expand search), "coder decoder optimization parallel programming" (Expand search), "code code optimization parallel programming" (Expand search), "decoder codec optimization parallel programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons 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 optimization parallel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder optimization parallel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder optimization parallel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder optimization parallel programming") OR ("api python python python programming"))*.