Perhaps you should try some spelling variations:
"advanced functionality task packing problem" » "and functionality task packing problem" (Expand search), "advanced functionality based packing problem" (Expand search), "advanced functionality trust packing problem" (Expand search), "advanced functionality tests packing problem" (Expand search), "advanced functionality disk packing problem" (Expand search), "advanced functionality task walking problem" (Expand search), "advanced functionality test packing problem" (Expand search)
"advanced cancer coding decoding program" » "advanced cancer coding welcoming program" (Expand search), "advanced cancer coding deworming program" (Expand search), "advanced cancer coding feeding program" (Expand search), "advanced cancer encoding decoding program" (Expand search), "advanced cancer reading decoding program" (Expand search), "advanced cancer joint decoding program" (Expand search), "advanced cancer coping decoding program" (Expand search), "advanced cancer holding decoding program" (Expand search), "advanced cancer caring 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 task packing problem\") OR (\"advanced cancer coding decoding program\"))~".
• Removing quotes may allow a broader search: (( advanced functionality task packing problem ) OR ( advanced cancer coding decoding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced functionality task packing problem") OR ("advanced cancer coding decoding program"))*.