Perhaps you should try some spelling variations:
"coder cover buffer arduino programmable" » "coder cover buffer around programmable" (Expand search), "coder cost buffer arduino programmable" (Expand search), "cover cover buffer arduino programmable" (Expand search), "codes over buffer arduino programmable" (Expand search), "under cover buffer 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), "rpa 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 cover buffer arduino programmable\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder cover buffer arduino programmable ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder cover buffer arduino programmable") OR ("api python python python programming"))*.