Perhaps you should try some spelling variations:
"coder vector coding loop programmer" » "coder vector coding logic programmer" (Expand search), "under vector coding loop programmer" (Expand search), "model vector coding loop programmer" (Expand search), "order vector coding loop programmer" (Expand search), "coder vector coding tools programmer" (Expand search)
"chains in python python programming" » "chains in pythons python programming" (Expand search), "chains in piton python programming" (Expand search), "chains in pitons python programming" (Expand search), "chain in python python programming" (Expand search), "chains _ 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 vector coding loop programmer") OR ("chains in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder vector coding loop programmer\") OR (\"chains in python python programming\"))".
• Removing quotes may allow a broader search: (( coder vector coding loop programmer ) OR ( chains in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder vector coding loop programmer") OR ("chains in python python programming"))*.