Perhaps you should try some spelling variations:
"coder coder coding friis propagation" » "coder coder coding fruits propagation" (Expand search), "coder coder coding fruit propagation" (Expand search), "coder coder coding fire propagation" (Expand search), "coder modern coding friis propagation" (Expand search), "coder color coding friis propagation" (Expand search), "coder odor coding friis propagation" (Expand search), "coder coder coding rnas propagation" (Expand search), "coder coder coding frame propagation" (Expand search), "coder coder coding is propagation" (Expand search), "coder decoder coding friis propagation" (Expand search), "code code coding friis propagation" (Expand search), "decoder codec coding friis propagation" (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), "rpa 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 coder coding friis propagation") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding friis propagation\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coding friis propagation ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding friis propagation") OR ("api python python python programming"))*.