Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandtd » gbrandtd, ggrandtd, gsandtd, grantdtd, graindtd, granddtd
hand » hard
band » bank
gray » ray
grade » trade
gran » grant, grain, grand
graw » grow, draw, grew
raint » saint, rains, paint, maint, gaint, railt
gaint » gains, gain, saint
mains » main, gains, rains
brain » bmain, bgain, brail
rainy » mainy, gainy, raily
rain » main, gain, rail

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 (grandtd or gsandtd)) or (grade or growers)) or (gran or (graw or raw))) or ((brain or (((raint or rainy) or gaint) or mains)) or rain))) 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 (grandtd OR gsandtd)) OR (grade OR growers)) OR (gran OR (graw OR raw))) OR ((brain OR (((raint OR rainy) OR gaint) OR mains)) OR rain))) 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 (grandtd or gsandtd)) or (grade or growers)) or (gran or (graw or raw))) or ((brain or (((raint or rainy) or gaint) or mains)) or rain))) 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 (grandtd or gsandtd)) or (grade or growers)) or (gran or (graw or raw))) or ((brain or (((raint or rainy) or gaint) or mains)) or rain))) counterinsurgency study ;*.