Perhaps you should try some spelling variations:
rand » brand, grand, hand
sand » san, hand
gsand » gsan, ghand, grand
band » bond
grainted » granted, grained, printed
irants » grants, irans
grantttk » granttttk, graintttk, grandtttk
migrants » migrantts, migraints, migrandts
gran » grant, grain, grand
grank » grantk, graink, grandk, grant, grand, rank
graft » grant, draft, craft

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 (sand OR stand)) or frank) or (had or band)) or land) or ((((grantttk or grainted) or (irants or (migrants or migrants))) or (gran or graft)) or ((grank or gsand) or bank))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR (sand OR stand)) OR frank) OR (had OR band)) OR land) OR ((((grantttk OR grainted) OR (irants OR (migrants OR migrants))) OR (gran OR graft)) OR ((grank OR gsand) OR bank))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (sand OR stand)) or frank) or (had or band)) or land) or ((((grantttk or grainted) or (irants or (migrants or migrants))) or (gran or graft)) or ((grank or gsand) or bank))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or (sand OR stand)) or frank) or (had or band)) or land) or ((((grantttk or grainted) or (irants or (migrants or migrants))) or (gran or graft)) or ((grank or gsand) or bank))) counterinsurgency study ;*.