Perhaps you should try some spelling variations:
"advanced functionality of learning problems" » "and functionality of learning problems" (Expand search), "advanced functionality of learning process" (Expand search), "advanced functionality of learning projects" (Expand search), "advanced functionality of packing problems" (Expand search), "advanced functionalization of learning problems" (Expand search)
"advanced sparse coding decoding program" » "advanced sparse coding welcoming program" (Expand search), "advanced sparse coding deworming program" (Expand search), "advanced sparse coding feeding program" (Expand search), "advanced stars coding decoding program" (Expand search), "advanced stage coding decoding program" (Expand search), "advanced care coding decoding program" (Expand search), "advanced sparse encoding decoding program" (Expand search), "advanced sparse reading decoding program" (Expand search), "advanced sparse joint decoding 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: "((\"advanced functionality of learning problems\") OR (\"advanced sparse coding decoding program\"))~".
• Removing quotes may allow a broader search: (( advanced functionality of learning problems ) OR ( advanced sparse coding decoding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced functionality of learning problems") OR ("advanced sparse coding decoding program"))*.