Perhaps you should try some spelling variations:
"coder coder computerized adaptive problem" » "coder model computerized adaptive problem" (Expand search), "coder novel computerized adaptive problem" (Expand search), "coder after computerized adaptive problem" (Expand search), "coder coder computerized adaptive problems" (Expand search), "coder coder computerized adaptive pole" (Expand search), "coder coder computerized adaptive programs" (Expand search), "coder decoder computerized adaptive problem" (Expand search), "code code computerized adaptive problem" (Expand search), "decoder codec computerized adaptive problem" (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 computerized adaptive problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computerized adaptive problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computerized adaptive problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computerized adaptive problem") OR ("on python python python programming"))*.