Perhaps you should try some spelling variations:
"coder coder contracts of programming" » "coder power contracts of programming" (Expand search), "coder model contracts of programming" (Expand search), "coder order contracts of programming" (Expand search), "coder coder contracts _ programming" (Expand search), "coder coder contracts in programming" (Expand search), "coder coder contracts and programming" (Expand search), "coder decoder contracts of programming" (Expand search), "code code contracts of programming" (Expand search), "decoder codec contracts of 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 coder contracts of programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder contracts of programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder contracts of programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder contracts of programming") OR ("api python python python programming"))*.