Perhaps you should try some spelling variations:
surface functionality » surface functionalities (Expand search), surface functionalized (Expand search), surface functional (Expand search)
functionality and » functional and (Expand search), functionality of (Expand search)
oxidation coding » oxidation coating (Expand search), oxidation coatings (Expand search), oxidation probing (Expand search)
loading program » reading program (Expand search), reading programs (Expand search), breading program (Expand search)
using program » housing program (Expand search), nursing program (Expand search), aging program (Expand search)
coding using » modeling using (Expand search), drying using (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( surface functionality AND loading program ) OR ( advanced oxidation coding using program ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( surface functionality and loading program ) OR ( advanced oxidation coding using program ))~".
• Adding a wildcard symbol may retrieve word variants: (( surface functionality and loading program ) OR ( advanced oxidation coding using program ))*.