Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandtts » gbrandtts, ggrandtts, gsandtts, grants, grandes, grantts, grandts, grandets
grandttd » gbrandttd, ggrandttd, gsandttd, granted, granttd, grandtd, grandetd
grandt » gbrandt, ggrandt, gsandt, grant, grand, grande
hand » hard
band » bank
gray » ray, graw
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain
grave » gravel, grade, grace

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 bond) or bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or grain) or (gbgaint or grandt))) 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 bond) OR bonds)) OR ((((((gray OR grandtts) OR rain) OR grandttd) OR (grave OR grow)) OR grain) OR (gbgaint OR grandt))) 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 bond) or bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or grain) or (gbgaint or grandt))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or ((band OR bond) or bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or grain) or (gbgaint or grandt))) counterinsurgency study ;*.