Perhaps you should try some spelling variations:
rank » ranks, frank
grand » grant, brand, grantd, graind, irand
hand » band, hard
sand » stand, band, san
granttd » granted, grantttd, grainttd, iranttd
drawe » drawn, drake, grawe, rawe
gran » grant, grain, iran
draws » raws
draw » raw
railt » rails, mailt
rail » mail
trained » tmained, tgained
brain » bmain, bgain
rain » 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: (((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or (drawe or draws)) or (gran or draw)) or ((brain or (railt OR rail)) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR grand) OR hand) OR (had OR land)) OR (bank OR bonds)) OR (((((sand OR trained) OR granttd) OR (drawe OR draws)) OR (gran OR draw)) OR ((brain OR (railt OR rail)) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or (drawe or draws)) or (gran or draw)) or ((brain or (railt OR rail)) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or (drawe or draws)) or (gran or draw)) or ((brain or (railt OR rail)) or rain))) counterinsurgency study ;*.