Perhaps you should try some spelling variations:
"surface functionality with coding program" » "surface functionalities with coding program" (Expand search), "surface functionalized with coding program" (Expand search), "surface functional with coding program" (Expand search), "surface bifunctionality with coding program" (Expand search), "surface functionalize with coding program" (Expand search), "surface functionality with cloning program" (Expand search), "surface functionality with loading program" (Expand search), "surface functionality with cooling programs" (Expand search), "surface functionality with cocaine program" (Expand search)
"an introduction coding using program" » "an introduction crossing using program" (Expand search), "an introduction reading using program" (Expand search), "an introduction during using program" (Expand search), "an introduction coding housing program" (Expand search), "an introduction coding nursing program" (Expand search), "an introduction coding aging program" (Expand search), "an introduction loading using program" (Expand search), "an introduction modeling using program" (Expand search), "an introduction drying using 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: "((\"surface functionality with coding program\") OR (\"an introduction coding using program\"))~".
• Removing quotes may allow a broader search: (( surface functionality with coding program ) OR ( an introduction coding using program ))~.
• Adding a wildcard symbol may retrieve word variants: (("surface functionality with coding program") OR ("an introduction coding using program"))*.