Perhaps you should try some spelling variations:
"coder model complexity sampling program" » "coder model complex sampling program" (Expand search), "coder model complexity scaling program" (Expand search), "coder model community sampling program" (Expand search), "coder code complexity sampling program" (Expand search), "coder social complexity sampling program" (Expand search), "coder and complexity sampling program" (Expand search), "coder model complexity labeling program" (Expand search), "coder model complexity smoking program" (Expand search), "coder model complexity jumping program" (Expand search), "cover model complexity sampling program" (Expand search), "decoder model complexity sampling program" (Expand search), "copper model complexity sampling 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.

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