Perhaps you should try some spelling variations:
rand » brand, rank
grand » gbrand, grank, brand, graind, irand, grawd
irand » ibrand, irank, brand, iran, irani
sand » stand, san
band » bond
hand » hard
grayd » gray, grad
gran » grain, iran, graw
grant » graint, irant, grawt, grants
irank » frank, iran, rank
grains » grain
grained » gained, trained, strained
grawt » graw, graft, grawe

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 grand) or (sand or band)) or (hand or had)) or (bank or land)) or ((((irand or grayd) or gran) or (irank or ((grains or grained) or brain))) or ((grant or grawt) or grawt))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR grand) OR (sand OR band)) OR (hand OR had)) OR (bank OR land)) OR ((((irand OR grayd) OR gran) OR (irank OR ((grains OR grained) OR brain))) OR ((grant OR grawt) OR grawt))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand OR grand) or (sand or band)) or (hand or had)) or (bank or land)) or ((((irand or grayd) or gran) or (irank or ((grains or grained) or brain))) or ((grant or grawt) or grawt))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand OR grand) or (sand or band)) or (hand or had)) or (bank or land)) or ((((irand or grayd) or gran) or (irank or ((grains or grained) or brain))) or ((grant or grawt) or grawt))) counterinsurgency study ;*.