Perhaps you should try some spelling variations:
"developer perceptions in java programing" » "developers perceptions in java programing" (Expand search), "development perception in java programing" (Expand search), "developer relations in java programing" (Expand search), "developer perceptions in java programming" (Expand search), "developer perceptions in java programs" (Expand search), "developer perceptions in meta programming" (Expand search), "developer perception in java programing" (Expand search), "developer perceptions on java programing" (Expand search), "developer perceptions and java programing" (Expand search), "developer perceptions in japan programing" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"developer perceptions in java programing\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( developer perceptions in java programing ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("developer perceptions in java programing") OR ("using coding python python programming"))*.