Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand
rank » ranks, frank, bank
banks » bank
band » bank, bond
irans » iran, irani, iraqs
frans » frank, franz, fran
brain » bmain, bgain, brail
rain » main, gain, rail

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 (((ghandttd or granted) or gmaind) or grand)) or had) or (rank or banks)) or san) or land) or band) or ((irans or (frans OR trans)) or ((brain or gbmain) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR (((ghandttd OR granted) OR gmaind) OR grand)) OR had) OR (rank OR banks)) OR san) OR land) OR band) OR ((irans OR (frans OR trans)) OR ((brain OR gbmain) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or (((ghandttd or granted) or gmaind) or grand)) or had) or (rank or banks)) or san) or land) or band) or ((irans or (frans OR trans)) or ((brain or gbmain) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or (((ghandttd or granted) or gmaind) or grand)) or had) or (rank or banks)) or san) or land) or band) or ((irans or (frans OR trans)) or ((brain or gbmain) or rain))) counterinsurgency study ;*.