Perhaps you should try some spelling variations:
"coder decoder needs complexity problem" » "coder decoder needs complex problem" (Expand search), "coder decoder needs completion problem" (Expand search), "coder decoder needs convexity problem" (Expand search), "coder decoder grades complexity problem" (Expand search), "coder decoder and complexity problem" (Expand search), "coder decoder its complexity problem" (Expand search), "encoder decoder needs complexity problem" (Expand search), "coder recovery needs complexity 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 decoder needs complexity problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder needs complexity problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder needs complexity problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder needs complexity problem") OR ("api python python python programming"))*.