Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, graind, irand, grayd
grandtd » gbrandtd, gsandtd, granktd, brandtd, graindtd, irandtd, graydtd
hand » hard
band » bank, bond
grayd » gray, grad
grave » gravel, grade
grace » grade, race
gran » grain, iran, gray
grant » graint, irant, grayt, grants
graw » grow, raw, draw
braint » brains, brant

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 bonds)) or (((((grand OR grayd) or grandtd) or (grave or grace)) or ((gran or grant) or graw)) or ((braint or saint) 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 bonds)) OR (((((grand OR grayd) OR grandtd) OR (grave OR grace)) OR ((gran OR grant) OR graw)) OR ((braint OR saint) 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 bonds)) or (((((grand OR grayd) or grandtd) or (grave or grace)) or ((gran or grant) or graw)) or ((braint or saint) or brain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or (((((grand OR grayd) or grandtd) or (grave or grace)) or ((gran or grant) or graw)) or ((braint or saint) or brain))) counterinsurgency study ;*.