Perhaps you should try some spelling variations:
"coder oder diode array problem" » "coder oder diode leray problem" (Expand search), "coder oder diode parity problem" (Expand search), "poder poder diode array problem" (Expand search), "der oder diode array problem" (Expand search), "coder decoder diode array problem" (Expand search), "coder power diode array problem" (Expand search), "coder oder die array problem" (Expand search), "coder one diode array 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 oder diode array problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder oder diode array problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder oder diode array problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder oder diode array problem") OR ("api python python python programming"))*.