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