Perhaps you should try some spelling variations:
"coder the complexity based problems" » "coder the complexity and problems" (Expand search), "coder the complexity beyond problems" (Expand search), "coder the complexity index problems" (Expand search), "coder the complexity posed problems" (Expand search), "coder the complexity based probes" (Expand search), "coder the complexity basic problems" (Expand search), "code the complexity based problems" (Expand search), "cover the complexity based problems" (Expand search), "poder the complexity based 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 the complexity based problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder the complexity based problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder the complexity based problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder the complexity based problems") OR ("api python python python programming"))*.