Perhaps you should try some spelling variations:
"coder code complexity key problem" » "coder case complexity key problem" (Expand search), "coder the complexity key problem" (Expand search), "coder and complexity key problem" (Expand search), "coder code complexity by problem" (Expand search), "coder code complexity ec problem" (Expand search), "coder code complexity does problem" (Expand search), "coder code complexity key problems" (Expand search), "coder code complexity kakeya problem" (Expand search), "coder code complexity leray problem" (Expand search), "code code complexity key problem" (Expand search), "modern code complexity key problem" (Expand search), "color code complexity key 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 code complexity key problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code complexity key problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code complexity key problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code complexity key problem") OR ("api python python python programming"))*.