Perhaps you should try some spelling variations:
"coder code and microcontroller arduino" » "coder code and microcontrolador arduino" (Expand search), "coder code arm microcontroller arduino" (Expand search), "coder code avr microcontroller arduino" (Expand search), "coder code board microcontroller arduino" (Expand search), "code code and microcontroller arduino" (Expand search), "modern code and microcontroller arduino" (Expand search), "color code and microcontroller arduino" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api 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 code and microcontroller arduino\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code and microcontroller arduino ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code and microcontroller arduino") OR ("api pythons python python programming"))*.