Perhaps you should try some spelling variations:
"coder precoder dose arduino programmable" » "coder decoder dose arduino programmable" (Expand search), "coder precoder cost arduino programmable" (Expand search), "coder precoder cobre arduino programmable" (Expand search), "coder precoder dados arduino programmable" (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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder dose arduino programmable") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder dose arduino programmable\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder dose arduino programmable ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder dose arduino programmable") OR ("api python python python programming"))*.