Perhaps you should try some spelling variations:
rand » brand, grand, rank
grandtd » gbrandtd, ggrandtd, granktd, grantdtd, granddtd, irandtd
sand » stand, san
band » bank, bond
grad » grade, grand, grid
grawe » grade, grace, growe, rawe, drawe
drawe » draws, draw, drawn
grave » gravel, grade, grace
gran » grant, grand, iran
graw » grow, raw, draw
braint » brain, brains, brant, bbraint, bmaint, bgaint
grain » brain, gbrain, gmain, ggain
rainy » brainy, mainy, gainy
rain » brain, main, gain

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 sand) or hand) or frank) or hard) or (had or land)) or (band or bonds)) or ((((grad or grandtd) or ((grawe OR drawe) or grave)) or (gran or graw)) or ((braint or rainy) or (grain or rain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR sand) OR hand) OR frank) OR hard) OR (had OR land)) OR (band OR bonds)) OR ((((grad OR grandtd) OR ((grawe OR drawe) OR grave)) OR (gran OR graw)) OR ((braint OR rainy) OR (grain OR rain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or sand) or hand) or frank) or hard) or (had or land)) or (band or bonds)) or ((((grad or grandtd) or ((grawe OR drawe) or grave)) or (gran or graw)) or ((braint or rainy) or (grain or rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or sand) or hand) or frank) or hard) or (had or land)) or (band or bonds)) or ((((grad or grandtd) or ((grawe OR drawe) or grave)) or (gran or graw)) or ((braint or rainy) or (grain or rain)))) counterinsurgency study ;*.