Perhaps you should try some spelling variations:
"coder coding and parallel problem" » "coder coding and parallel prolog" (Expand search), "coder coding and parallel program" (Expand search), "coder coding and parallel propeller" (Expand search), "modern coding and parallel problem" (Expand search), "color coding and parallel problem" (Expand search), "odor coding and parallel problem" (Expand search), "coder coding _ parallel problem" (Expand search), "coder coding rna parallel 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 coding and parallel problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding and parallel problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding and parallel problem") OR ("api python python python programming"))*.