Perhaps you should try some spelling variations:
"coder model database curation problem" » "coder model data curation problem" (Expand search), "coder model database integration problem" (Expand search), "coder model database education problem" (Expand search), "coder model database formation problem" (Expand search), "coder model database actuation problem" (Expand search), "coder soil database curation problem" (Expand search), "coder nosql database curation problem" (Expand search), "cover model database curation problem" (Expand search), "decoder model database curation problem" (Expand search), "copper model database curation 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.

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