Perhaps you should try some spelling variations:
"coder coder sampling bilevel programming" » "coder coder sampling level programming" (Expand search), "coder coder sampling biases programming" (Expand search), "coder coder sampling filter programming" (Expand search), "coder under sampling bilevel programming" (Expand search), "coder over sampling bilevel programming" (Expand search), "coder core sampling bilevel programming" (Expand search), "coder decoder sampling bilevel programming" (Expand search), "code code sampling bilevel programming" (Expand search), "decoder codec sampling bilevel 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 sampling bilevel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling bilevel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling bilevel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling bilevel programming") OR ("api python python python programming"))*.