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