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