Perhaps you should try some spelling variations:
"decoder codec modelling duplication problem" » "decoder codec modelling application problem" (Expand search), "decoder codec modelling applications problem" (Expand search), "decoder codec modeling application problem" (Expand search), "decoder codec modelling lubrication problems" (Expand search), "decoder codec modelling equalization problem" (Expand search), "decoder codec modelling location problem" (Expand search), "decoder model modelling duplication problem" (Expand search), "decoder topic modelling duplication problem" (Expand search), "decoder cmd modelling duplication problem" (Expand search), "decoder codecs modelling duplication problem" (Expand search), "decoder models modelling duplication 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), "manim 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: "((\"decoder codec modelling duplication problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( decoder codec modelling duplication problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("decoder codec modelling duplication problem") OR ("api python python python programming"))*.