Perhaps you should try some spelling variations:
sand » stand, san, hand
irant » grant, iran, irani
grande » grade, grand, grantde, grandde, irande
grassed » grasses, grasped, harassed
grandde » grantdde, granddde, irandde
gran » grant, grand, iran
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((sand OR hard) OR (had OR land)) OR (((band OR bond) OR bank) OR bonds)) OR ((((((irant OR (grande OR grandde)) OR frank) OR (grawddtd OR grassed)) OR raw) OR gran) OR (grain OR rain))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((sand or hard) or (had or land)) or (((band OR bond) or bank) or bonds)) or ((((((irant or (grande or grandde)) or frank) or (grawddtd or grassed)) or raw) or gran) or (grain or rain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((sand or hard) or (had or land)) or (((band OR bond) or bank) or bonds)) or ((((((irant or (grande or grandde)) or frank) or (grawddtd or grassed)) or raw) or gran) or (grain or rain))) counterinsurgency study ;*.