Perhaps you should try some spelling variations:
"coder precoder detection plc programming" » "coder precoder selection plc programming" (Expand search), "coder order detection plc programming" (Expand search), "coder code detection plc programming" (Expand search), "coder precoder detection c programming" (Expand search), "coder precoder detection block programming" (Expand search), "coder precoder detection _ programming" (Expand search), "coder decoder detection plc programming" (Expand search), "coder precoder detection hplc programming" (Expand search), "coder precoder detection par programming" (Expand search), "coder precoder detection pre programming" (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)

You may be able to get more results by adjusting your search query.

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