Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandttd » gbrandttd, ggrandttd, ghandttd, granted, grantdttd, granddttd, irandttd
rained » trained, rainfed, grained
grain » brain, rain
ihand » hand
rank » ranks, frank, bank
fbanks » banks
flanks » planks
band » bank, bond
irans » iran, frans, irani
gran » grant, grand, iran
grants » grantts, grandts, irants, migrants

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: (((((((rand OR ((grandttd OR (rained OR grain)) OR (ihand OR ihand))) OR had) OR (rank OR (fbanks OR flanks))) OR stand) OR land) OR band) OR ((irans OR trans) OR (gran OR grants))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((grandttd or (rained or grain)) or (ihand or ihand))) or had) or (rank or (fbanks OR flanks))) or stand) or land) or band) or ((irans or trans) or (gran or grants))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((grandttd or (rained or grain)) or (ihand or ihand))) or had) or (rank or (fbanks OR flanks))) or stand) or land) or band) or ((irans or trans) or (gran or grants))) counterinsurgency study ;*.