Perhaps you should try some spelling variations:
"coder adder parallel programming problem" » "coder adder parallel programming problems" (Expand search), "coder and parallel programming problem" (Expand search), "coder over parallel programming problem" (Expand search), "coder armed parallel programming problem" (Expand search), "powder added parallel programming problem" (Expand search), "order ladder 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 adder parallel programming problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder adder parallel programming problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder adder parallel programming problem") OR ("api python python python programming"))*.