Perhaps you should try some spelling variations:
"coder xcode pic microcontroller arduino" » "coder xcode pic microcontrolador arduino" (Expand search), "code code pic microcontroller arduino" (Expand search), "coder decoder pic microcontroller arduino" (Expand search), "coder code psc microcontroller arduino" (Expand search)
"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)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder xcode pic microcontroller arduino\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder xcode pic microcontroller arduino ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder xcode pic microcontroller arduino") OR ("in python python python programming"))*.