Perhaps you should try some spelling variations:
rand » brand
grand » gbrand, brand
rank » ranks, frank
hand » hard
ihand » ihard
grad » grid, gram, graf
grade » gride, grame, grafe, trade
gray » ray
grant » grants
irani » iran, rani
iraqi » iraq
sand » stand, san
band » bond
frans » frank, franz, trans
graw » grow, raw, draw

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 rank) OR ((((grand OR hand) OR ((grad OR gray) OR grade)) OR grant) OR (ihand OR (irani OR iraqi)))) OR had) OR bank) OR sand) OR land) OR band) OR (frans OR graw)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((rand or rank) or ((((grand or hand) or ((grad OR gray) or grade)) or grant) or (ihand or (irani or iraqi)))) or had) or bank) or sand) or land) or band) or (frans or graw)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((((rand or rank) or ((((grand or hand) or ((grad OR gray) or grade)) or grant) or (ihand or (irani or iraqi)))) or had) or bank) or sand) or land) or band) or (frans or graw)) counterinsurgency study ;*.