Perhaps you should try some spelling variations:
"coder code theory complexity problems" » "coder code theory complex problems" (Expand search), "coder code theory complete problems" (Expand search), "coder code theory completion problems" (Expand search), "coder code the complexity problems" (Expand search), "coder mode theory complexity problems" (Expand search), "coder coding theory complexity problems" (Expand search), "coder choice theory complexity problems" (Expand search), "code code theory complexity problems" (Expand search), "modern code theory complexity problems" (Expand search), "color code theory complexity problems" (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 theory complexity problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code theory complexity problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder code theory complexity problems ) OR ( api python python python programming ))*.