Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder coder rfid logic programming" » "coder decoder rfid logic programming" (Expand search), "code code rfid logic programming" (Expand search), "decoder codec rfid logic programming" (Expand search), "coder coder rfd logic programming" (Expand search), "coder coder rfid logica 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 rfid logic programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder rfid logic programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder rfid logic programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder rfid logic programming") OR ("in python python python programming"))*.