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, bond
gray » ray, graw
rain » main, gain, rail
grain » gmain, ggain, grail
brain » bmain, bgain, brail
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 bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or (grain OR brain)) 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 bonds)) OR ((((((gray OR grandtts) OR rain) OR grandttd) OR (grave OR grow)) OR (grain OR brain)) 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 bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or (grain OR brain)) or (gbgaint or grandt))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or ((((((gray or grandtts) or rain) or grandttd) or (grave or grow)) or (grain OR brain)) or (gbgaint or grandt))) counterinsurgency study ;*.