Perhaps you should try some spelling variations:
"coder coder coding nmr descriptors" » "coder coder coding of descriptors" (Expand search), "coder coder coding and descriptors" (Expand search), "coder coder coding the descriptors" (Expand search), "coder modern coding nmr descriptors" (Expand search), "coder color coding nmr descriptors" (Expand search), "coder odor coding nmr descriptors" (Expand search), "coder decoder coding nmr descriptors" (Expand search), "code code coding nmr descriptors" (Expand search), "decoder codec coding nmr descriptors" (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 nmr descriptors") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding nmr descriptors\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder coding nmr descriptors ) OR ( api python python python programming ))*.