Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand, graind, irand, grayd
band » bank
bond » bonds
grant » grants, graint, irant, grayt
graind » grained, grain, grains, gbraind, gmaind, ggaind
grawe » grade, grace, grave, rawe, drawe, grewe
gran » grain, iran, gray
graw » raw, draw, grew
rain » brain, main, gain

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 hard) OR (had OR land)) OR (band OR bond)) OR ((((((grand OR grant) OR graind) OR iranttd) OR (grawe OR grow)) OR (gran OR graw)) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or bond)) or ((((((grand or grant) or graind) or iranttd) or (grawe or grow)) or (gran OR graw)) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bond)) or ((((((grand or grant) or graind) or iranttd) or (grawe or grow)) or (gran OR graw)) or rain)) counterinsurgency study ;*.