Perhaps you should try some spelling variations:
"coder coder decoder minlp problems" » "coder encoder decoder minlp problems" (Expand search), "coder coder decoder in problems" (Expand search), "code code decoder minlp problems" (Expand search), "decoder codec decoder minlp problems" (Expand search), "codesc poder decoder 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), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder minlp problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder decoder minlp problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder minlp problems") OR ("api python python python programming"))*.