Perhaps you should try some spelling variations:
"coder using arduino process problem" » "coder using bruno process problem" (Expand search), "coder using arduino problemas problem" (Expand search), "coder using arduino process promoted" (Expand search), "coders using arduino process problem" (Expand search), "cover using arduino process problem" (Expand search), "code using arduino process problem" (Expand search)
"api piton python python programming" » "api piton pythons python programming" (Expand search), "api piton pitons python programming" (Expand search), "api piton pytm python programming" (Expand search), "api pitons python python programming" (Expand search), "api in python python programming" (Expand search), "api with python python programming" (Expand search), "api python 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 using arduino process problem") OR ("api piton python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using arduino process problem\") OR (\"api piton python python programming\"))".
• Removing quotes may allow a broader search: (( coder using arduino process problem ) OR ( api piton python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using arduino process problem") OR ("api piton python python programming"))*.