Perhaps you should try some spelling variations:
"coder using java microcontroller arduino" » "coder using java microcontrolador arduino" (Expand search), "coder using avr microcontroller arduino" (Expand search), "coder using arm microcontroller arduino" (Expand search), "coder using and microcontroller arduino" (Expand search), "coders using java microcontroller arduino" (Expand search), "cover using java microcontroller arduino" (Expand search), "code using java microcontroller arduino" (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), "rpa python 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 using java microcontroller arduino") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using java microcontroller arduino\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using java microcontroller arduino ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using java microcontroller arduino") OR ("api python python python programming"))*.