Perhaps you should try some spelling variations:
"coder xcode java microcontroller arduino" » "coder xcode java microcontrolador arduino" (Expand search), "coder xcode avr microcontroller arduino" (Expand search), "coder xcode arm microcontroller arduino" (Expand search), "coder xcode and microcontroller arduino" (Expand search), "code code java microcontroller arduino" (Expand search), "coder decoder java microcontroller arduino" (Expand search), "coder codes java microcontroller arduino" (Expand search)
"api in python python programming" » "api in pythons python programming" (Expand search), "api in piton python programming" (Expand search), "api in pitons python programming" (Expand search), "api _ python python programming" (Expand search), "api an python python programming" (Expand search), "fpi in python python programming" (Expand search), "gpi in 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 xcode java microcontroller arduino") OR ("api in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder xcode java microcontroller arduino\") OR (\"api in python python programming\"))".
• Removing quotes may allow a broader search: (( coder xcode java microcontroller arduino ) OR ( api in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder xcode java microcontroller arduino") OR ("api in python python programming"))*.