Perhaps you should try some spelling variations:
"support migrant integration series." » "support market integration series.", "support migrant integration services.", "support migrant interaction series.", "support migrant integration server.", "support migrants integration series.", "supporting migrants integration series."
"support grant irrigation schemes." » "support grant irrigation scheme.", "support grant irrigation systems.", "support grain irrigation schemes.", "support gray irrigation schemes.", "support gravity irrigation schemes."

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

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