Perhaps you should try some spelling variations:
rand » brand, grand, hand
grands » gbrands, ggrands, ghands, grandes, grants, brands, grantds, grandds, irands
sand » stand, san, hand
band » bond
grank » grant, grand, grantk, grandk, irank
granted » grantted, grandted, iranted
gran » grant, grand, iran
migrants » migrantts, migrandts, miirants
migrantdts » migranttdts, migrandtdts, miirantdts, migrantes
grain » brain, rain
ranks » banks

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

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