Perhaps you should try some spelling variations:
"coder coder doing science challenges" » "coder coder doing societal challenges" (Expand search), "coder coder doing society challenges" (Expand search), "coder coder doing change challenges" (Expand search), "coder coder song science challenges" (Expand search), "coder coder big science challenges" (Expand search), "coder decoder doing science challenges" (Expand search), "code code doing science challenges" (Expand search), "decoder codec doing science challenges" (Expand search), "coder codes going science challenges" (Expand search), "coder modelo doing science challenges" (Expand search), "coder coders using science challenges" (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 doing science challenges") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder doing science challenges\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder doing science challenges ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder doing science challenges") OR ("api python python python programming"))*.