Perhaps you should try some spelling variations:
"coder coder infective activity program" » "coder coder convective activity program" (Expand search), "coder coder selective activity program" (Expand search), "coder coder insecticide activity program" (Expand search), "coder sided infective activity program" (Expand search), "coder severe infective activity program" (Expand search), "coder decoder infective activity program" (Expand search), "code code infective activity program" (Expand search), "decoder codec infective activity program" (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 coder infective activity program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder infective activity program\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder infective activity program ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder infective activity program") OR ("on python python python programming"))*.