Perhaps you should try some spelling variations:
"coder precoder cascade model programming" » "coder precoder cascade modern programming" (Expand search), "coder precoder cascade modular programming" (Expand search), "coder precoder cascade goal programming" (Expand search), "coder redes cascade model programming" (Expand search), "coder decoder cascade model programming" (Expand search), "coder precoder case model programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons 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 cascade model programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder cascade model programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder cascade model programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder cascade model programming") OR ("api python python python programming"))*.