Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, graind, irand, grawd
irandt » ibrandt, isandt, irankt, brandt
granddt » gbranddt, gsanddt, grankdt, branddt, grainddt, iranddt, grawddt
hand » hard
band » bank
grank » frank, rank, graink, irank, grawk
gran » grain, iran, graw
migrants » migraints, miirants, migrawts, migrantss
grant » graint, irant, grawt, grants
irani » iran, iraqi, rani

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((rand or ((hand or had) or land)) or ((band or bond) or bonds)) or (((grand OR grank) or gran) or (((irandt or graindt) or irantdt) or ((migrants or (granddt or grant)) or irani)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR ((hand OR had) OR land)) OR ((band OR bond) OR bonds)) OR (((grand OR grank) OR gran) OR (((irandt OR graindt) OR irantdt) OR ((migrants OR (granddt OR grant)) OR irani)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or ((hand or had) or land)) or ((band or bond) or bonds)) or (((grand OR grank) or gran) or (((irandt or graindt) or irantdt) or ((migrants or (granddt or grant)) or irani)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or ((hand or had) or land)) or ((band or bond) or bonds)) or (((grand OR grank) or gran) or (((irandt or graindt) or irantdt) or ((migrants or (granddt or grant)) or irani)))) counterinsurgency study ;*.