Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandttd » gbrandttd, ggrandttd, ghandttd, granted, grantdttd, graindttd, granddttd
grained » gained, trained, gbrained, gmained, ggained
strained » trained, strain, attained, stbrained, stmained, stgained
rank » ranks, frank, bank
banks » bank
band » bank, bond
irani » iran, iraqi, rani
frans » frank, franz, trans
grantdttd » granttdttd, graintdttd, grandtdttd
gran » grant, grain, grand
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 grantdttd) or (grained OR strained)) or (grained OR strained))) or had) or (rank or banks)) or stand) or land) or band) or ((irani or frans) or (gran or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR (((grandttd OR grantdttd) OR (grained OR strained)) OR (grained OR strained))) OR had) OR (rank OR banks)) OR stand) OR land) OR band) OR ((irani OR frans) OR (gran OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or (((grandttd or grantdttd) or (grained OR strained)) or (grained OR strained))) or had) or (rank or banks)) or stand) or land) or band) or ((irani or frans) or (gran or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or (((grandttd or grantdttd) or (grained OR strained)) or (grained OR strained))) or had) or (rank or banks)) or stand) or land) or band) or ((irani or frans) or (gran or rain))) counterinsurgency study ;*.