Perhaps you should try some spelling variations:
rand » brand
grand » gbrand, brand
rank » ranks, frank
grad » grid, gray, gram
grade » gride, graye, grame, trade
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 hard)) OR (grad 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 hard)) or (grad 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 hard)) or (grad 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 ;*.