Perhaps you should try some spelling variations:
"coder coding and theory problem" » "coder coding and theory problems" (Expand search), "coder coding and the problem" (Expand search), "coder coding and theory program" (Expand search), "modern coding and theory problem" (Expand search), "color coding and theory problem" (Expand search), "odor coding and theory problem" (Expand search), "coder coding rna theory problem" (Expand search), "coder coding and their problem" (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 coding and theory problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and theory problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding and theory problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding and theory problem") OR ("api python python python programming"))*.