Perhaps you should try some spelling variations:
"coder coder testing of complexity" » "coder model testing of complexity" (Expand search), "coder mode testing of complexity" (Expand search), "coder cancer testing of complexity" (Expand search), "coder decoder testing of complexity" (Expand search), "code code testing of complexity" (Expand search), "decoder codec testing of complexity" (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 coder testing of complexity\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder testing of complexity ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder testing of complexity") OR ("api python python python programming"))*.