Perhaps you should try some spelling variations:
"supply functions integration series." » "supply functional integration series.", "supply function interaction series.", "supply functional interaction series.", "supply functions integration services.", "supply functions interaction series.", "supply functions integration server.", "supply function integration series.", "supply conditions integration series."
"supply functions integration schemes." » "supply functional integration schemes.", "supply function interaction schemes.", "supply functional interaction schemes.", "supply functions integration schengen.", "supply functions irrigation schemes.", "supply functions integration regimes.", "supply function integration schemes.", "supply conditions integration schemes."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply functions integration series.") OR ("supply functions integration schemes."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply functions integration series.\") OR (\"supply functions integration schemes.\"))".
• Removing quotes may allow a broader search: (( supply functions integration series. ) OR ( supply functions integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply functions integration series.") OR ("supply functions integration schemes."))*.