Perhaps you should try some spelling variations:
"learning perceptions on coding problems" » "learning perception on coding problems" (Expand search), "teaching perceptions on coding problems" (Expand search), "hearing perception on coding problems" (Expand search), "learning perceptions on loading problems" (Expand search), "learning perceptions on counting problems" (Expand search), "learning perceptions on covering problems" (Expand search), "learning perceptions of coding problems" (Expand search), "learning perceptions and coding problems" (Expand search), "learning perceptions about coding problems" (Expand search), "learning perceptions non coding problems" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("learning perceptions on coding problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"learning perceptions on coding problems\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( learning perceptions on coding problems ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("learning perceptions on coding problems") OR ("using coding python python programming"))*.