Perhaps you should try some spelling variations:
"coder segmentati_ python arduino programmable" » "color segmentation python arduino programmable" (Expand search), "over segmentation 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder segmentati_ python arduino programmable\") OR (\"spi in python python programming\"))~".
• Removing quotes may allow a broader search: (( coder segmentati_ python arduino programmable ) OR ( spi in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder segmentati_ python arduino programmable") OR ("spi in python python programming"))*.