Perhaps you should try some spelling variations:
"coder coder _ computational software" » "coder coder _ computacional software" (Expand search), "coder coder _ educational software" (Expand search), "coder coder _ computacao software" (Expand search), "coder decoder _ computational software" (Expand search), "code code _ computational software" (Expand search), "decoder codec _ computational software" (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 _ computational software") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ computational software\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ computational software ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ computational software") OR ("on python python python programming"))*.