Perhaps you should try some spelling variations:
"coder coding _ weighting function" » "coder coding _ weight function" (Expand search), "coder coding _ teaching function" (Expand search), "modern coding _ weighting function" (Expand search), "color coding _ weighting function" (Expand search), "odor coding _ weighting function" (Expand search)
"rpa python python python programming" » "rpa pythons python python programming" (Expand search), "rpa piton python python programming" (Expand search), "rpa pitons python python programming" (Expand search), "via python python python programming" (Expand search), "api 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 coding _ weighting function\") OR (\"rpa python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ weighting function ) OR ( rpa python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ weighting function") OR ("rpa python python python programming"))*.