Perhaps you should try some spelling variations:
"coder precoder in convex programming" » "coder precoder in cone programming" (Expand search), "coder precoder in computer programming" (Expand search), "coder decoder in convex programming" (Expand search), "coder recover in convex programming" (Expand search), "coder precoder _ convex programming" (Expand search), "coder recorder in convex programming" (Expand search), "coder precoder non convex programming" (Expand search), "coder precoder of convex 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), "rpa python python python programming" (Expand search), "manim python 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 in convex programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder in convex programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder in convex programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder in convex programming") OR ("api python python python programming"))*.