Perhaps you should try some spelling variations:
"coder detection python arduino programmable" » "coder detection method arduino programmable" (Expand search), "coder detection methods arduino programmable" (Expand search), "coder detection actions arduino programmable" (Expand search), "code detection python arduino programmable" (Expand search), "border detection python arduino programmable" (Expand search), "corner detection python arduino programmable" (Expand search)
"spi in python python programming" » "spi in pythons python programming" (Expand search), "spi in piton python programming" (Expand search), "spi in pitons python programming" (Expand search), "spi _ 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 detection python arduino programmable") OR ("spi in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder detection python arduino programmable\") OR (\"spi in python python programming\"))*".
• Removing quotes may allow a broader search: (( coder detection python arduino programmable ) OR ( spi in python python programming ))*.