Perhaps you should try some spelling variations:
rank » ranks, frank
grand » brand
hand » band, hard
sand » stand, band
tgained » gained, trained, attained
granttd » granted
drawe » draws, drawn, drake, drawse, rawe
draw » draws, raw
grants » migrants
graw » grow, raw, grew
brail » brazil, brasil, rail
railt » rail, rails
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: (((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or ((((((sand or san) or tgained) or granttd) or (drawe or draw)) or ((grant OR grants) or graw)) or ((brail or railt) 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 san) OR tgained) OR granttd) OR (drawe OR draw)) OR ((grant OR grants) OR graw)) OR ((brail OR railt) 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 san) or tgained) or granttd) or (drawe or draw)) or ((grant OR grants) or graw)) or ((brail or railt) 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 san) or tgained) or granttd) or (drawe or draw)) or ((grant OR grants) or graw)) or ((brail or railt) or rain))) counterinsurgency study ;*.