Perhaps you should try some spelling variations:
"coder on parallel programming problem" » "coder on parallel programming problems" (Expand search), "coder in parallel programming problem" (Expand search), "coder and parallel programming problem" (Expand search), "coder _ parallel programming problem" (Expand search), "code on parallel programming problem" (Expand search), "codes on parallel programming problem" (Expand search), "powder on parallel programming 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 on parallel programming problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder on parallel programming problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder on parallel programming problem") OR ("api python python python programming"))*.