Perhaps you should try some spelling variations:
"and computational and computation program" » "and computational and computational program" (Expand search), "and computational and computational programs" (Expand search), "and computational and compensation program" (Expand search), "_ computational and computation program" (Expand search), "and computational fluid computation program" (Expand search), "of computational of computation program" (Expand search)
"advanced polymeric in computer program" » "advanced polymer in computer program" (Expand search), "advanced polymeric iron computer program" (Expand search), "advanced polymeric and computer program" (Expand search), "advanced polymeric mix computer program" (Expand search), "advanced polymeric _ 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: "((\"and computational and computation program\") OR (\"advanced polymeric in computer program\"))~".
• Removing quotes may allow a broader search: (( and computational and computation program ) OR ( advanced polymeric in computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational and computation program") OR ("advanced polymeric in computer program"))*.