Perhaps you should try some spelling variations:
rank » frank
ranks » franks, banks
grantd » granted, grants, grand, grandtd, irantd, grawtd, grantsd
grain » brain, rain
rand » brand, grand, hand
drawd » draws, drawn, drawsd
draw » draws
graft » draft, craft, kraft
sand » stand, san, hand
band » bond
frans » frank, trans, fran
franz » frank
gran » grand, iran, graw
grant » grandt, irant, grawt, grants

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((rank OR ranks) OR (((((grantd OR grain) OR rand) OR ((raw OR drawd) OR draw)) OR graft) OR rand)) OR had) OR bank) OR (sand OR band)) OR land) OR bonds) OR ((frans OR franz) OR (gran OR grant))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((rank or ranks) or (((((grantd or grain) or rand) or ((raw or drawd) or draw)) or graft) or rand)) or had) or bank) or (sand or band)) or land) or bonds) or ((frans or franz) or (gran OR grant))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((((rank or ranks) or (((((grantd or grain) or rand) or ((raw or drawd) or draw)) or graft) or rand)) or had) or bank) or (sand or band)) or land) or bonds) or ((frans or franz) or (gran OR grant))) counterinsurgency study ;*.