Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, irand, grawd, grayd
hand » hard
band » bank
bond » bonds
grayd » gray, grad
strained » trained, strain, attained, stmained, stgained, strailed
grawe » grade, grace, graw
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
grayt » gray, graft
grain » gmain, ggain, grail
rain » main, gain, rail
brain » bmain, bgain, brail

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 hand) or (had or land)) or (band or bond)) or ((((((grand or grayd) or strained) or irantdtd) or grawe) or ((gran or grant) or grayt)) or (grain or (rain OR brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR bond)) OR ((((((grand OR grayd) OR strained) OR irantdtd) OR grawe) OR ((gran OR grant) OR grayt)) OR (grain OR (rain OR brain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or (had or land)) or (band or bond)) or ((((((grand or grayd) or strained) or irantdtd) or grawe) or ((gran or grant) or grayt)) or (grain or (rain OR brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bond)) or ((((((grand or grayd) or strained) or irantdtd) or grawe) or ((gran or grant) or grayt)) or (grain or (rain OR brain)))) counterinsurgency study ;*.