Perhaps you should try some spelling variations:
"coder coder optical computing problem" » "coder coder optical routing problem" (Expand search), "coder coder musical computing problem" (Expand search), "coder coder spatial computing problem" (Expand search), "coder coder optical computing program" (Expand search), "coder coder optical coping problem" (Expand search), "coder code optical computing problem" (Expand search), "coder order optical computing problem" (Expand search), "coder mode optical computing problem" (Expand search), "coder decoder optical computing problem" (Expand search), "code code optical computing problem" (Expand search), "decoder codec optical computing 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder optical computing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder optical computing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder optical computing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder optical computing problem") OR ("api python python python programming"))*.