Perhaps you should try some spelling variations:
"value perceptions in java programming" » "value perception in java programming" (Expand search), "care perceptions in java programming" (Expand search), "the perceptions in java programming" (Expand search), "value perceptions in and programming" (Expand search), "value perceptions in based programming" (Expand search), "value perceptions in goal programming" (Expand search), "value perceptions on java programming" (Expand search), "value perceptions and java programming" (Expand search), "value perceptions in japan programming" (Expand search), "value perceptions in jatai programming" (Expand search), "value perceptions in java programaming" (Expand search)
"advanced python python computer program" » "advanced method python computer program" (Expand search), "advanced path python computer program" (Expand search), "advanced symphony python computer program" (Expand search), "advanced pythons python computer program" (Expand search), "advanced piton python computer program" (Expand search), "advanced pitons python computer program" (Expand search), "advanced python python computer programa" (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 in java programming\") OR (\"advanced python python computer program\"))~".
• Removing quotes may allow a broader search: (( value perceptions in java programming ) OR ( advanced python python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("value perceptions in java programming") OR ("advanced python python computer program"))*.