Perhaps you should try some spelling variations:
"coder precoder of linear programing" » "coder precoder of linear programming" (Expand search), "coder precoder of linear programmin" (Expand search), "coder precoder of linear program" (Expand search), "coder decoder of linear programing" (Expand search), "coder recorder of linear programing" (Expand search), "coder recover of linear programing" (Expand search), "coder precoder _ linear programing" (Expand search)
"manim python python python programming" » "manim pythons python python programming" (Expand search), "manim piton python python programming" (Expand search), "manim pitons python python programming" (Expand search), "monty python python python programming" (Expand search), "api 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 of linear programing") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder of linear programing\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder of linear programing ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder of linear programing") OR ("manim python python python programming"))*.