Perhaps you should try some spelling variations:
"coder coder in plc programming" » "coder coder in c programming" (Expand search), "coder coder in block programming" (Expand search), "coder coder in _ programming" (Expand search), "coder decoder in plc programming" (Expand search), "code code in plc programming" (Expand search), "decoder codec in plc programming" (Expand search), "coder code in plc programming" (Expand search), "coder codes in plc programming" (Expand search), "coder poder in plc programming" (Expand search), "coder coder in plcd programming" (Expand search), "coder coder in pla programming" (Expand search), "coder coder in pls programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 in plc programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder in plc programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder in plc programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder in plc programming") OR ("on python python python programming"))*.