Perhaps you should try some spelling variations:
rand » brand, hand
grand » gbrand, ghand, brand, graind, irand, grawd
irand » ibrand, ihand, brand, iran, irani
grawd » graw, grawe
graind » grained, grain, grains
grad » grade, grid, graw
grant » grants, graint, irant, grawt
rank » ranks, frank, bank
sand » stand, san, hand
band » bank, bond
irans » iran, trans, frans
gran » grain, iran, graw

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 ((((((grand OR grawd) or (graind or brain)) or irand) or (grawd or grad)) or grant) or irand)) or had) or rank) or sand) or land) or band) or (irans or gran)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((((((grand OR grawd) OR (graind OR brain)) OR irand) OR (grawd OR grad)) OR grant) OR irand)) OR had) OR rank) OR sand) OR land) OR band) OR (irans OR gran)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((((grand OR grawd) or (graind or brain)) or irand) or (grawd or grad)) or grant) or irand)) or had) or rank) or sand) or land) or band) or (irans or gran)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((((grand OR grawd) or (graind or brain)) or irand) or (grawd or grad)) or grant) or irand)) or had) or rank) or sand) or land) or band) or (irans or gran)) counterinsurgency study ;*.