Perhaps you should try some spelling variations:
"coder duplication mechanical coding program" » "coder duplicator mechanical coding program" (Expand search), "coder application mechanical coding program" (Expand search), "coder applications mechanical coding program" (Expand search), "code application mechanical coding program" (Expand search), "coded replication mechanical coding program" (Expand search), "codes application mechanical coding program" (Expand search), "coder duplication mechanical loading program" (Expand search), "coder duplication mechanical coating program" (Expand search), "coder duplication mechanical sowing program" (Expand search), "coder duplication mechanical cloning program" (Expand search), "coder duplication mechanical cooling programs" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 duplication mechanical coding program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder duplication mechanical coding program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder duplication mechanical coding program ) OR ( on python python python programming ))*.