Perhaps you should try some spelling variations:
and functionality » and functional (Expand search)
functionality doi » functionality of (Expand search), functionality on (Expand search), functionality to (Expand search)
coding program » cloning program (Expand search), loading program (Expand search), cooling programs (Expand search)
using program » housing program (Expand search), nursing program (Expand search), aging program (Expand search)
advanced bar » advanced care (Expand search), advanced base (Expand search), advanced bean (Expand search)
coding using » modeling using (Expand search), drying using (Expand search)
doi coding » doi codi (Expand search)
bar coding » map coding (Expand search), based coding (Expand search), bar coupling (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 doi coding program ) OR ( advanced bar coding using program ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( AND functionality doi coding program ) OR ( advanced bar coding using program )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( and functionality doi coding program ) OR ( advanced bar coding using program ))".
• Adding a wildcard symbol may retrieve word variants: (( and functionality doi coding program ) OR ( advanced bar coding using program ))*.