Perhaps you should try some spelling variations:
"code coder code computational fluid" » "code coder model computational fluid" (Expand search), "code coder cfd computational fluid" (Expand search), "code coder some computational fluid" (Expand search), "code code code computational fluid" (Expand search), "code under code computational fluid" (Expand search), "gcode code code computational fluid" (Expand search), "code modern code computational fluid" (Expand search), "code color code computational fluid" (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 coder code computational fluid\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( code coder code computational fluid ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code coder code computational fluid") OR ("api python python python programming"))*.