Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand
hand » hard
bond » bonds
strained » trained, strain, attained, stbrained, stmained, stgained
stbrained » trained, stained, stbbrained, stbmained, stbgained
grawe » grade, grace, graw
grawt » grant, graw, graft
grayt » grant, gray, graft
grain » brain, gbrain, gmain, ggain
ggain » gain, again
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 hand) or (had or land)) or ((band or bank) or bond)) or (((((grand or (strained or stbrained)) or irantdtd) or grawe) or (((iran or iron) or grawt) or grayt)) or ((grain OR ggain) or rain))) 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 bank) OR bond)) OR (((((grand OR (strained OR stbrained)) OR irantdtd) OR grawe) OR (((iran OR iron) OR grawt) OR grayt)) OR ((grain OR ggain) OR rain))) 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 bank) or bond)) or (((((grand or (strained or stbrained)) or irantdtd) or grawe) or (((iran or iron) or grawt) or grayt)) or ((grain OR ggain) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or ((band or bank) or bond)) or (((((grand or (strained or stbrained)) or irantdtd) or grawe) or (((iran or iron) or grawt) or grayt)) or ((grain OR ggain) or rain))) counterinsurgency study ;*.