Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank, bond
gray » ray, graw
grantts » grants, grantees, grantors, grantsts
rain » brain, main, gain
gbraint » gbbraint, gbmaint, gbgaint
geraint » gebraint, gemaint, gegaint
grade » trade
grant » grants

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((sand or hard) or (had or land)) or (band or bonds)) or ((((((gray or grantts) or rain) or granddttd) or (grade or raw)) or grant) or ((gbraint OR geraint) or granddt))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((sand OR hard) OR (had OR land)) OR (band OR bonds)) OR ((((((gray OR grantts) OR rain) OR granddttd) OR (grade OR raw)) OR grant) OR ((gbraint OR geraint) OR granddt))) 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 bonds)) or ((((((gray or grantts) or rain) or granddttd) or (grade or raw)) or grant) or ((gbraint OR geraint) or granddt))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((sand or hard) or (had or land)) or (band or bonds)) or ((((((gray or grantts) or rain) or granddttd) or (grade or raw)) or grant) or ((gbraint OR geraint) or granddt))) counterinsurgency study ;*.