Perhaps you should try some spelling variations:
"coder codec and diffusion coding" » "coder codec and diffusion encoding" (Expand search), "coder codec and diffusion bonding" (Expand search), "coder codec and diffusion coating" (Expand search), "decoder codec and diffusion coding" (Expand search), "code code and diffusion coding" (Expand search), "decoder codecs and diffusion coding" (Expand search), "coder code and diffusion coding" (Expand search), "coder codes and diffusion coding" (Expand search), "coder codeco ana diffusion coding" (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 codec and diffusion coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder codec and diffusion coding\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder codec and diffusion coding ) OR ( api python python python programming ))*.