Perhaps you should try some spelling variations:
"coder codec efficient computation problem" » "coder codec efficient competition problem" (Expand search), "coder codec efficient completion problem" (Expand search), "coder codec efficient communication problem" (Expand search), "coder codec efficiency computation problem" (Expand search), "coder codes efficiency computation problem" (Expand search), "coder more efficient computation problem" (Expand search), "decoder codec efficient computation problem" (Expand search), "code code efficient computation problem" (Expand search), "decoder codecs efficient computation 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 codec efficient computation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder codec efficient computation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder codec efficient computation problem") OR ("api python python python programming"))*.