Perhaps you should try some spelling variations:
rand » brand, rank
grand » gbrand, grank, brand, irand, grawd, grayd
grandtd » gbrandtd, granktd, brandtd, irandtd, grawdtd, graydtd
sand » stand, san
hand » hard
band » bank, bond
grant » grants, irant, grawt, grayt
grawt » graw, graft, grawe
grade » trade
gran » iran, graw, gray
gbraint » geraint, gbbraint, gbmaint, gbgaint
rains » grains, trains, drains, brains, mains, gains
grain » brain, gbrain, gmain, ggain
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 sand) or hand) or (had or land)) or (band or bonds)) or (((((grand or (grant OR grawt)) or grandtd) or grade) or gran) or (((gbraint or rains) or saint) or (grain or rain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR sand) OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((grand OR (grant OR grawt)) OR grandtd) OR grade) OR gran) OR (((gbraint OR rains) OR saint) OR (grain 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 (band or bonds)) or (((((grand or (grant OR grawt)) or grandtd) or grade) or gran) or (((gbraint or rains) or saint) or (grain or rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hand) or (had or land)) or (band or bonds)) or (((((grand or (grant OR grawt)) or grandtd) or grade) or gran) or (((gbraint or rains) or saint) or (grain or rain)))) counterinsurgency study ;*.