Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, brand, graind, irand, grawd
sand » stand, band, san
hand » band, hard
grant » grants, graint, irant, grawt
grank » frank, rank, graink, irank, grawk
graink » grain, grains, gbraink, gmaink, ggaink
irank » frank, iran, rank
grawe » grace, graw, grave
grade » trade
gran » grain, iran, graw
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 sand) OR hand) OR (had OR land)) OR (bond OR bonds)) OR ((((((grand OR grant) OR ((grank OR graink) OR irank)) OR franktd) OR (grawe OR grade)) OR (gran OR rain)) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or hand) or (had or land)) or (bond or bonds)) or ((((((grand or grant) or ((grank OR graink) or irank)) or franktd) or (grawe or grade)) or (gran or rain)) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hand) or (had or land)) or (bond or bonds)) or ((((((grand or grant) or ((grank OR graink) or irank)) or franktd) or (grawe or grade)) or (gran or rain)) or rain)) counterinsurgency study ;*.