Perhaps you should try some spelling variations:
"coder coder makefile parallel processing" » "coder coder makefile parallel programming" (Expand search), "coder coder massive parallel processing" (Expand search), "coder decoder makefile parallel processing" (Expand search), "code code makefile parallel processing" (Expand search), "decoder codec makefile parallel processing" (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), "rpa python 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 makefile parallel processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder makefile parallel processing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder makefile parallel processing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder makefile parallel processing") OR ("api python python python programming"))*.