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