Perhaps you should try some spelling variations:
"coder coder defense on problem" » "coder border defense on problem" (Expand search), "coder cyber defense on problem" (Expand search), "coder tower defense on problem" (Expand search), "coder decoder defense on problem" (Expand search), "code code defense on problem" (Expand search), "decoder codec defense on problem" (Expand search), "coder coder defense of problem" (Expand search), "coder coder defense in problem" (Expand search), "coder coder defense and 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)

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 defense on problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder defense on problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder defense on problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder defense on problem") OR ("api python python python programming"))*.