Perhaps you should try some spelling variations:
"coder coder semantics c programming" » "coder model semantics c programming" (Expand search), "coder or semantics c programming" (Expand search), "coder code semiotics c programming" (Expand search), "coder coder semantics _ programming" (Expand search), "coder coder semantics cone programming" (Expand search), "coder coder semantics and programming" (Expand search), "coder decoder semantics c programming" (Expand search), "code code semantics c programming" (Expand search), "decoder codec semantics c programming" (Expand search), "coder coder semantics 3 programming" (Expand search), "coder coder semantics scc 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 semantics c programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder semantics c programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder semantics c programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder semantics c programming") OR ("api python python python programming"))*.