Perhaps you should try some spelling variations:
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"value perceptions in computer program" » "value perception in computer program" (Expand search), "care perceptions in computer program" (Expand search), "the perceptions in computer program" (Expand search), "value perceptions on computer program" (Expand search), "value perceptions and computer program" (Expand search), "value perceptions _ computer program" (Expand search)

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

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• Removing quotes may allow a broader search: (( value perceptions in computer program ) OR ( advanced python python computers programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("value perceptions in computer program") OR ("advanced python python computers programming"))*.