Perhaps you should try some spelling variations:
"coder decoder video linear programming" » "encoder decoder video linear programming" (Expand search), "coder encoded video linear programming" (Expand search), "coder decoder model linear programming" (Expand search), "coder decoder codec linear programming" (Expand search), "coder decoder video cinema 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 decoder video linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder video linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder video linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder video linear programming") OR ("api python python python programming"))*.