Perhaps you should try some spelling variations:
"coder precoder school fixed program" » "coder precoder scheme fixed program" (Expand search), "coder decoder school fixed program" (Expand search), "coder precoder school based program" (Expand search), "coder precoder school field program" (Expand search), "coder precoder school files program" (Expand search), "coder precoder school file program" (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 precoder school fixed program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder school fixed program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder school fixed program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder school fixed program") OR ("api python python python programming"))*.