Perhaps you should try some spelling variations:
"and functionality _ decoding program" » "and functional _ decoding program" (Expand search), "and functionality _ welcoming program" (Expand search), "and functionality _ deworming program" (Expand search), "and functionality _ feeding program" (Expand search)
"advanced encryption coding decoding program" » "advanced description coding decoding program" (Expand search), "advanced encryption using decoding program" (Expand search), "advanced encryption content decoding program" (Expand search), "advanced encryption coding welcoming program" (Expand search), "advanced encryption coding deworming program" (Expand search), "advanced encryption coding feeding program" (Expand search), "advanced encryption encoding decoding program" (Expand search), "advanced encryption reading decoding program" (Expand search), "advanced encryption joint decoding program" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("and functionality _ decoding program") OR ("advanced encryption coding decoding program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and functionality _ decoding program\") OR (\"advanced encryption coding decoding program\"))".
• Removing quotes may allow a broader search: (( and functionality _ decoding program ) OR ( advanced encryption coding decoding program )).
• Adding a wildcard symbol may retrieve word variants: (("and functionality _ decoding program") OR ("advanced encryption coding decoding program"))*.