Perhaps you should try some spelling variations:
"coder coder transient diffusion problem" » "coder coder transient diffusion process" (Expand search), "coder under transient diffusion problem" (Expand search), "coder confers transient diffusion problem" (Expand search), "coder cortex transient diffusion problem" (Expand search), "coder decoder transient diffusion problem" (Expand search), "code code transient diffusion problem" (Expand search), "decoder codec transient diffusion problem" (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 coder transient diffusion problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder transient diffusion problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder transient diffusion problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder transient diffusion problem") OR ("api python python python programming"))*.