Perhaps you should try some spelling variations:
"coder coder ray tracing program" » "coder coder ray traing program" (Expand search), "coder coder ray tracking programs" (Expand search), "coder coder ray training program" (Expand search), "coder decoder ray tracing program" (Expand search), "code code ray tracing program" (Expand search), "decoder codec ray tracing program" (Expand search), "coder code rac tracing program" (Expand search), "coder order ray tracing 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)

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