Perhaps you should try some spelling variations:
rank » ranks, frank
irand » brand, iran, grand
hand » band, hard
sand » stand, band, san
trailed » tailed, trailer, strained
granttd » granted, grantttd, grainttd, grandttd
drawe » draws, draw, drawn
gran » grant, grain, grand
graw » grow, raw, draw
raint » saint, rainy, rains, maint, gaint, railt
trained » tmained, tgained, trailed
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: (((((rank or irand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or (trained OR trailed)) or granttd) or drawe) or (gran or graw)) or ((brain or raint) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR irand) OR hand) OR (had OR land)) OR (bank OR bonds)) OR (((((sand OR (trained OR trailed)) OR granttd) OR drawe) OR (gran OR graw)) OR ((brain OR raint) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or irand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or (trained OR trailed)) or granttd) or drawe) or (gran or graw)) or ((brain or raint) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rank or irand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or (trained OR trailed)) or granttd) or drawe) or (gran or graw)) or ((brain or raint) or rain))) counterinsurgency study ;*.