Perhaps you should try some spelling variations:
"coder precoder loop arduino programming" » "coder precoder loop arduino programmable" (Expand search), "coder precoder loop radio programming" (Expand search), "coder precoder loop learning programming" (Expand search), "coder decoder loop arduino programming" (Expand search), "coder precoder hp arduino programming" (Expand search), "coder precoder of arduino programming" (Expand search), "coder precoder con arduino programming" (Expand search), "coder precoder on arduino programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons 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 precoder loop arduino programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder loop arduino programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder loop arduino programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder loop arduino programming") OR ("api python python python programming"))*.