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