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