Perhaps you should try some spelling variations:
"coder coder _ bleaching problem" » "coder coder _ teaching problem" (Expand search), "coder coder _ learning problem" (Expand search), "coder coder _ teaching problems" (Expand search), "coder decoder _ bleaching problem" (Expand search), "code code _ bleaching problem" (Expand search), "decoder codec _ bleaching 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 _ bleaching problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ bleaching problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ bleaching problem") OR ("api python python python programming"))*.