Perhaps you should try some spelling variations:
"coder implementation models doi programmer" » "coder implementation model doi programmer" (Expand search), "coder implementation of doi programmer" (Expand search), "coder implementation and doi programmer" (Expand search), "code implementation models doi programmer" (Expand search), "decoder implementation models doi programmer" (Expand search), "model implementation models doi programmer" (Expand search), "coder implementation models logic programmer" (Expand search), "coder implementation models non programmers" (Expand search), "coder implementation models des programmes" (Expand search), "coder implementation modelo doi programmer" (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 implementation models doi programmer") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation models doi programmer\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation models doi programmer ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder implementation models doi programmer") OR ("api python python python programming"))*.