Perhaps you should try some spelling variations:
"coder coding rnas hard coatings" » "coder coding rnas and coatings" (Expand search), "coder coding rnas hybrid coatings" (Expand search), "coder coding rnas based coatings" (Expand search), "modern coding rnas hard coatings" (Expand search), "color coding rnas hard coatings" (Expand search), "odor coding rnas hard coatings" (Expand search), "coder coding rnas are coatings" (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), "manim 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 coding rnas hard coatings") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding rnas hard coatings\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding rnas hard coatings ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding rnas hard coatings") OR ("api python python python programming"))*.