Perhaps you should try some spelling variations:
"coder computational method tree problem" » "coder computational methods tree problem" (Expand search), "coder computational model tree problem" (Expand search), "coder computational models tree problem" (Expand search), "code computational method tree problem" (Expand search), "poder computacional method tree problem" (Expand search), "model computational method tree problem" (Expand search), "coder computational method the problem" (Expand search), "coder computational method three problem" (Expand search), "coder computational method free problem" (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 computational method tree problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder computational method tree problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder computational method tree problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder computational method tree problem") OR ("api python python python programming"))*.