Perhaps you should try some spelling variations:
rand » brand, rank
grand » gbrand, grank, grant, brand, grantd, graind, irand
irand » ibrand, irank, brand, iran, irani
sand » stand, san
hand » hard
band » bank
bond » bonds
grank » grant, frank, rank, grantk, graink, irank
grayd » gray, grad
grains » grain
graw » grow, raw, draw
gran » grant, grain, iran
graint » geraint, grant, grain

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 grand) OR sand) OR hand) OR (had OR land)) OR (band OR bond)) OR (((((((grank OR irand) OR grayd) OR grains) OR irantdtd) OR graw) OR (gran OR graint)) OR graint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand OR grand) or sand) or hand) or (had or land)) or (band or bond)) or (((((((grank or irand) or grayd) or grains) or irantdtd) or graw) or (gran or graint)) or graint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((rand OR grand) or sand) or hand) or (had or land)) or (band or bond)) or (((((((grank or irand) or grayd) or grains) or irantdtd) or graw) or (gran or graint)) or graint)) counterinsurgency study ;*.