Perhaps you should try some spelling variations:
rand » brand, hand, sand
grandttd » gbrandttd, ghandttd, gsandttd, grantttd, brandttd
grand » gbrand, ghand, gsand, grant, brand
rank » ranks, frank
band » bond
irans » iran, trans, irani
frans » frank, franz, trans
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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