Perhaps you should try some spelling variations:
"coder coder complexity prediction problems" » "coder coder complexity reduction problems" (Expand search), "coder coder complexity productions problems" (Expand search), "coder coder complexity predict problems" (Expand search), "coder coder complexity prediction problem" (Expand search), "coder coder complexity production problems" (Expand search), "coder coder complexity radiation problems" (Expand search), "coder code complexity prediction problems" (Expand search), "coder model complexity prediction problems" (Expand search), "coder lower complexity prediction problems" (Expand search), "coder decoder complexity prediction problems" (Expand search), "code code complexity prediction problems" (Expand search), "decoder codec complexity prediction 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complexity prediction problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder complexity prediction problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity prediction problems") OR ("api python python python programming"))*.