Perhaps you should try some spelling variations:
"coder computational cost string problem" » "code computational cost string problem" (Expand search), "poder computacional cost string problem" (Expand search), "model computational cost string problem" (Expand search), "coder computational and string problem" (Expand search), "coder computational design string problem" (Expand search), "coder computational vision string problem" (Expand search), "coder computational cost sizing problem" (Expand search), "coder computational cost rostering problem" (Expand search), "coder computational cost sharing problems" (Expand search), "coder computational cost sharing problem" (Expand search), "coder computational cost saving problem" (Expand search), "coder computational cost during 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.

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