Perhaps you should try some spelling variations:
"coder replication java learning problems" » "coded replication java learning problems" (Expand search), "code application java learning problems" (Expand search), "codes application java learning problems" (Expand search), "coder replication java learning process" (Expand search), "coder replication java learning projects" (Expand search), "coder replication java packing problems" (Expand search), "coder replication data learning problems" (Expand search), "coder replications data learning problems" (Expand search), "coder replication and learning problems" (Expand search), "coder replication meta learning problems" (Expand search), "coder replication via learning problems" (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 replication java learning problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder replication java learning problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder replication java learning problems ) OR ( api python python python programming ))*.