Perhaps you should try some spelling variations:
"and functionality tasks packing problem" » "and functionality tests packing problem" (Expand search), "and functionality traces packing problem" (Expand search), "and functional tasks packing problem" (Expand search), "and functionality tasks planning problem" (Expand search), "and functionality based packing problem" (Expand search), "and functionality disk packing problem" (Expand search)
"advanced care coding decoding program" » "advanced care coding welcoming program" (Expand search), "advanced care coding deworming program" (Expand search), "advanced care coding feeding program" (Expand search), "advanced care encoding decoding program" (Expand search), "advanced care reading decoding program" (Expand search), "advanced care joint decoding program" (Expand search), "advance care coding decoding program" (Expand search), "advanced age coding decoding program" (Expand search), "advanced cancer coding decoding program" (Expand search), "advanced rare coding decoding program" (Expand search), "advanced care coping decoding program" (Expand search), "advanced aware coding 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: "((\"and functionality tasks packing problem\") OR (\"advanced care coding decoding program\"))~".
• Removing quotes may allow a broader search: (( and functionality tasks packing problem ) OR ( advanced care coding decoding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("and functionality tasks packing problem") OR ("advanced care coding decoding program"))*.