Perhaps you should try some spelling variations:
rand » brand, band
grand » gbrand, gband, irand, grawd, grayd, brand
rank » ranks, frank
granks » grankss, gfranks, ranks, grants, iranks, grawks, grayks
iranks » irankss, ifranks, ranks, irans
sand » stand, band, san
hand » band, hard
bond » bonds
graind » grained, grains, braind, gbraind, gmaind, ggaind
grain » brain, gbrain, gmain, ggain
ggain » gain, again
rain » brain, main, gain
gran » iran, graw, gray
grant » irant, grawt, grayt, grants

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 rank) or (sand or hand)) or ((bond or bank) or land)) or (((graind or (((grain OR ggain) or ggain) or rain)) or ((granks or iranks) or (gran or (grand or grant)))) or ((had or cham) or ghana))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR rank) OR (sand OR hand)) OR ((bond OR bank) OR land)) OR (((graind OR (((grain OR ggain) OR ggain) OR rain)) OR ((granks OR iranks) OR (gran OR (grand OR grant)))) OR ((had OR cham) OR ghana))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or rank) or (sand or hand)) or ((bond or bank) or land)) or (((graind or (((grain OR ggain) or ggain) or rain)) or ((granks or iranks) or (gran or (grand or grant)))) or ((had or cham) or ghana))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or rank) or (sand or hand)) or ((bond or bank) or land)) or (((graind or (((grain OR ggain) or ggain) or rain)) or ((granks or iranks) or (gran or (grand or grant)))) or ((had or cham) or ghana))) counterinsurgency study ;*.