Perhaps you should try some spelling variations:
"coder recognition python arduino programmable" » "coder recognition method arduino programmable" (Expand search), "coder recognition person arduino programmable" (Expand search), "coder recognition action arduino programmable" (Expand search), "border recognition python arduino programmable" (Expand search), "mode recognition python arduino programmable" (Expand search), "order recognition python arduino programmable" (Expand search)
"using opencv python python programming" » "using opencv pythons python programming" (Expand search), "using opencv piton python programming" (Expand search), "using opencv pitons python programming" (Expand search), "using opencl python python programming" (Expand search), "using open python python programming" (Expand search), "usando opencv 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 recognition python arduino programmable") OR ("using opencv python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder recognition python arduino programmable\") OR (\"using opencv python python programming\"))".
• Removing quotes may allow a broader search: (( coder recognition python arduino programmable ) OR ( using opencv python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder recognition python arduino programmable") OR ("using opencv python python programming"))*.