Perhaps you should try some spelling variations:
"coder decoder testis function modeling" » "coder decoder testis function modelling" (Expand search), "coder decoder testis function models" (Expand search), "coder decoder testis function model" (Expand search), "coder decoder basis function modeling" (Expand search), "coder decoder test functions modeling" (Expand search), "encoder decoder testis function modeling" (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 testis function modeling") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder testis function modeling\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder testis function modeling ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder testis function modeling") OR ("api python python python programming"))*.