Perhaps you should try some spelling variations:
sand » stand, san
gsandtd » gstandtd, gsantd
band » bond
grand » brand, graind, irand, grawd
grant » grants, graint, irant, grawt
grawe » grade, grace, graw
gran » grain, iran, graw
graint » geraint, grain, grains
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: ((((sand or (hand or hard)) or (had or land)) or ((band or bank) or bonds)) or (((((grand OR grant) or (gsandtd or gsantd)) or grawe) or gran) or ((graint or braint) or brain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((sand OR (hand OR hard)) OR (had OR land)) OR ((band OR bank) OR bonds)) OR (((((grand OR grant) OR (gsandtd OR gsantd)) OR grawe) OR gran) OR ((graint OR braint) OR brain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((sand or (hand or hard)) or (had or land)) or ((band or bank) or bonds)) or (((((grand OR grant) or (gsandtd or gsantd)) or grawe) or gran) or ((graint or braint) or brain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((sand or (hand or hard)) or (had or land)) or ((band or bank) or bonds)) or (((((grand OR grant) or (gsandtd or gsantd)) or grawe) or gran) or ((graint or braint) or brain))) counterinsurgency study ;*.