Perhaps you should try some spelling variations:
"coder coder open stacks problem" » "coder coder open stokes problem" (Expand search), "coder coder open start problem" (Expand search), "coder coder open state problem" (Expand search), "coder decoder open stacks problem" (Expand search), "code code open stacks problem" (Expand search), "decoder codec open stacks problem" (Expand search), "coder coder open spaces problem" (Expand search), "coder under open stacks problem" (Expand search), "coder oer open stacks problem" (Expand search), "coder model open stacks 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 coder open stacks problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder open stacks problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder open stacks problem") OR ("api python python python programming"))*.