Perhaps you should try some spelling variations:
"coder coder kt optimization problem" » "coder coder kt optimization problems" (Expand search), "coder coder ct optimization problem" (Expand search), "coder coder pit optimization problem" (Expand search), "coder coder set optimization problem" (Expand search), "coder decoder kt optimization problem" (Expand search), "code code kt optimization problem" (Expand search), "decoder codec kt optimization problem" (Expand search), "coder code at optimization problem" (Expand search), "coder code kta optimization problem" (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)

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 kt optimization problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder kt optimization problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder kt optimization problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder kt optimization problem") OR ("api python python python programming"))*.