Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand, grantd, irand, grawd
grandtd » gbrandtd, ghandtd, gsandtd, granttd, brandtd, grantdtd, irandtd, grawdtd
band » bank
grawd » graw, grad
grawe » grade, grace, graw
gran » grant, iran, graw
grain » brain, rain
graint » braint, raint, geraint, grant, gradient
grains » brains, rains

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 hard) or (had or land)) or (band or (bond or bonds))) or (((((grawd or grand) or grandtd) or grawe) or (gran or grain)) or (graint OR grains))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (band OR (bond OR bonds))) OR (((((grawd OR grand) OR grandtd) OR grawe) OR (gran OR grain)) OR (graint OR grains))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or (bond or bonds))) or (((((grawd or grand) or grandtd) or grawe) or (gran or grain)) or (graint OR grains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or (bond or bonds))) or (((((grawd or grand) or grandtd) or grawe) or (gran or grain)) or (graint OR grains))) counterinsurgency study ;*.