Perhaps you should try some spelling variations:
"coder code complexity prediction problems" » "coder code complexity reduction problems" (Expand search), "coder code complexity productions problems" (Expand search), "coder code complexity predict problems" (Expand search), "coder code complexity prediction problem" (Expand search), "coder code complexity production problems" (Expand search), "coder code complexity radiation problems" (Expand search), "coder case complexity prediction problems" (Expand search), "coder the complexity prediction problems" (Expand search), "coder and complexity prediction problems" (Expand search), "code code complexity prediction problems" (Expand search), "modern code complexity prediction problems" (Expand search), "color code 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 code complexity prediction problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code complexity prediction problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code complexity prediction problems") OR ("api python python python programming"))*.