Perhaps you should try some spelling variations:
"coder using objective diffusion problem" » "coder using convective diffusion problem" (Expand search), "coder using effective diffusion problem" (Expand search), "coder using objective dimension problem" (Expand search), "coder using objective diffusion process" (Expand search), "coder using subjective diffusion problem" (Expand search), "coder single objective diffusion problem" (Expand search), "coder using object diffusion problem" (Expand search), "coders using objective diffusion problem" (Expand search), "cover using objective diffusion problem" (Expand search), "code using objective 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder using objective diffusion problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using objective diffusion problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using objective diffusion problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using objective diffusion problem") OR ("api python python python programming"))*.