Perhaps you should try some spelling variations:
"coder objective function machine problem" » "coder executive function machine problem" (Expand search), "coder objective imputation machine problem" (Expand search), "coder objective function teaching problem" (Expand search), "coder objective function decline problem" (Expand search), "coder objective function mapping problem" (Expand search), "under objective function machine problem" (Expand search), "coffee objective function machine problem" (Expand search), "convex objective function machine problem" (Expand search), "coder objective function matching problem" (Expand search), "coder objective function teaching 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 objective function machine problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder objective function machine problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder objective function machine problem") OR ("api python python python programming"))*.