Perhaps you should try some spelling variations:
"coder coder concurrent linear programming" » "coder coder concurrent urinary programming" (Expand search), "coder coder concurrent water programming" (Expand search), "coder coder concurrent visual programming" (Expand search), "coder power concurrent linear programming" (Expand search), "coder after concurrent linear programming" (Expand search), "coder or concurrent linear programming" (Expand search), "coder decoder concurrent linear programming" (Expand search), "code code concurrent linear programming" (Expand search), "decoder codec concurrent linear 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 concurrent linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder concurrent linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder concurrent linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder concurrent linear programming") OR ("api python python python programming"))*.