Perhaps you should try some spelling variations:
"coder precoder kernel conic programming" » "coder precoder kernel logic programming" (Expand search), "coder precoder kernel cone programming" (Expand search), "coder precoder kernel convex programming" (Expand search), "coder decoder kernel conic programming" (Expand search), "coder precoder kernel choice programming" (Expand search), "coder precoder kernel oil programming" (Expand search), "coder precoder kernel on 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 precoder kernel conic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder kernel conic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder kernel conic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder kernel conic programming") OR ("api python python python programming"))*.