Perhaps you should try some spelling variations:
sand » stand, band, hand
race » rate, rice, pace
grandt » grand, grande, brandt, graindt, granddt, grawdt
migrants » migrantss, migraints, migrandts, migrawts
grant » grants, graint, grandt, grawt
gain » gains, main
grawd » grand, graw, grad
bond » bonds
irans » trans, frans, irani
gran » grain, grand, graw

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((((sand or (race or face)) or ((((migrants or migraindts) or (grandt OR grant)) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or (irans or ((gran or brain) or iran))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((sand OR (race OR face)) OR ((((migrants OR migraindts) OR (grandt OR grant)) OR gain) OR (grawd OR iron))) OR had) OR frank) OR san) OR land) OR bond) OR (irans OR ((gran OR brain) OR iran))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((sand or (race or face)) or ((((migrants or migraindts) or (grandt OR grant)) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or (irans or ((gran or brain) or iran))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((((sand or (race or face)) or ((((migrants or migraindts) or (grandt OR grant)) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or (irans or ((gran or brain) or iran))) counterinsurgency study ;*.