Perhaps you should try some spelling variations:
"coder coder programming minlp problems" » "coder coder programming milp problems" (Expand search), "coder coder programming nlp problems" (Expand search), "coder coder programming models problems" (Expand search), "coder modern programming minlp problems" (Expand search), "coder cone programming minlp problems" (Expand search), "coder order programming minlp problems" (Expand search), "coder decoder programming minlp problems" (Expand search), "code code programming minlp problems" (Expand search), "decoder codec programming minlp problems" (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 programming minlp problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder programming minlp problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder programming minlp problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder programming minlp problems") OR ("api python python python programming"))*.