Perhaps you should try some spelling variations:
"coder precoder and discrete programming" » "coder precoder and distributed programming" (Expand search), "coder precoder and extreme programming" (Expand search), "coder precoder and scratch programming" (Expand search), "coder decoder and discrete programming" (Expand search), "coder recover and discrete programming" (Expand search), "coder recorder and discrete programming" (Expand search), "coder precoce and discrete programming" (Expand search), "coder precoder in discrete programming" (Expand search), "coder precoder _ discrete programming" (Expand search), "coder precoder of discrete programming" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python 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 precoder and discrete programming") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder and discrete programming\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder and discrete programming ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder and discrete programming") OR ("api pythons python python programming"))*.