Perhaps you should try some spelling variations:
rand » brand, sand, rank
grandk » gbrandk, gsandk, grankk, grande, graindk, irandk, grawdk, brandk
irand » ibrand, isand, irank, brand, iran, irani
grand » gbrand, gsand, grank, graind, irand, grawd, brand
hand » hard
band » bank
bond » bonds
grayd » gray, grad
grant » grants, graint, irant, grawt
grantstd » grantsstd, grants, granted, graintstd, irantstd, grawtstd
ggain » gain, grain, again
grawe » grade, grace, graw
gran » grain, iran, graw
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: (((((rand or san) or hand) or (had or land)) or (band or bond)) or ((((((((grandk or grayd) or irand) or grant) or ggain) or grantstd) or (grawe or raw)) or (gran OR grand)) or rain)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR san) OR hand) OR (had OR land)) OR (band OR bond)) OR ((((((((grandk OR grayd) OR irand) OR grant) OR ggain) OR grantstd) OR (grawe OR raw)) OR (gran OR grand)) OR rain)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or san) or hand) or (had or land)) or (band or bond)) or ((((((((grandk or grayd) or irand) or grant) or ggain) or grantstd) or (grawe or raw)) or (gran OR grand)) or rain)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or san) or hand) or (had or land)) or (band or bond)) or ((((((((grandk or grayd) or irand) or grant) or ggain) or grantstd) or (grawe or raw)) or (gran OR grand)) or rain)) counterinsurgency study ;*.