Perhaps you should try some spelling variations:
"coder precoder device arduino programmable" » "coder decoder device arduino programmable" (Expand search), "coder precoder design arduino programmable" (Expand search), "coder recovery device arduino programmable" (Expand search), "coder precoder service 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 device arduino programmable") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder device arduino programmable\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder device arduino programmable ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder device arduino programmable") OR ("api python python python programming"))*.