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