Perhaps you should try some spelling variations:
"code code coding project complexity" » "code code coping project complexity" (Expand search), "code code moving project complexity" (Expand search), "code code going project complexity" (Expand search), "code code cloning project complexity" (Expand search), "code code codigo project complexity" (Expand search), "code code according project complexity" (Expand search), "code cdc coding project 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: "((\"code code coding project complexity\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( code code coding project complexity ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code code coding project complexity") OR ("api python python python programming"))*.