Perhaps you should try some spelling variations:
rank » ranks, frank
irand » brand, iran, grand
hand » hard
band » bond
sand » stand, san
tgained » gained, trained, attained
drawe » draws, draw, drawn
granttd » grantttd, grainttd, grandttd
granted » grantted, grainted, grandted
gran » grant, grain, grand
graw » grow, raw, draw
brain » bmain, bgain, brail
rainy » mainy, gainy, raily
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: (((((rank or irand) or (hand OR band)) or (had or land)) or (bank or bonds)) or (((((sand or tgained) or (granttd or granted)) or drawe) or (gran or graw)) or ((brain or rainy) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR irand) OR (hand OR band)) OR (had OR land)) OR (bank OR bonds)) OR (((((sand OR tgained) OR (granttd OR granted)) OR drawe) OR (gran OR graw)) OR ((brain OR rainy) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or irand) or (hand OR band)) or (had or land)) or (bank or bonds)) or (((((sand or tgained) or (granttd or granted)) or drawe) or (gran or graw)) or ((brain or rainy) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rank or irand) or (hand OR band)) or (had or land)) or (bank or bonds)) or (((((sand or tgained) or (granttd or granted)) or drawe) or (gran or graw)) or ((brain or rainy) or rain))) counterinsurgency study ;*.