Perhaps you should try some spelling variations:
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"value perceptions on java programming" » "value perception on java programming" (Expand search), "care perceptions on java programming" (Expand search), "the perceptions on java programming" (Expand search), "value perceptions on and programming" (Expand search), "value perceptions on based programming" (Expand search), "value perceptions on goal programming" (Expand search), "value perceptions of java programming" (Expand search), "value perceptions and java programming" (Expand search), "value perceptions about java programming" (Expand search), "value perceptions in java 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: "((\"value perceptions on java programming\") OR (\"advanced python python computer programming\"))~".
• Removing quotes may allow a broader search: (( value perceptions on java programming ) OR ( advanced python python computer programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("value perceptions on java programming") OR ("advanced python python computer programming"))*.