Perhaps you should try some spelling variations:
"spatial visualization in decoding program" » "data visualization in decoding program" (Expand search), "spatial variation in decoding program" (Expand search), "spatial organization in decoding program" (Expand search), "spatial visualization and decoding program" (Expand search), "spatial visualization of decoding program" (Expand search), "spatial visualization _ decoding program" (Expand search), "spatial visualization in welcoming program" (Expand search), "spatial visualization in deworming program" (Expand search), "spatial visualization in feeding program" (Expand search), "spatial visualization in decaying program" (Expand search)
"advanced encryption python computer program" » "advanced encryption method computer program" (Expand search), "advanced encryption methods computer program" (Expand search), "advanced encryption with computer program" (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: "((\"spatial visualization in decoding program\") OR (\"advanced encryption python computer program\"))~".
• Removing quotes may allow a broader search: (( spatial visualization in decoding program ) OR ( advanced encryption python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("spatial visualization in decoding program") OR ("advanced encryption python computer program"))*.