Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, irand, grawd, grayd
grandddtd » gbrandddtd, gsandddtd, grankddtd, brandddtd, irandddtd, grawdddtd, graydddtd
grawd » graw, grad, grawe
hand » hard
band » bank, bond
grant » grants, irant, grawt, grayt
iranted » granted
gran » iran, graw, gray
grain » brain, gbrain, gmain, ggain
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 grand) or san) or grawd) or hand) or (had or land)) or (band or bonds)) or ((((((grawd or grant) or frank) or (grandddtd or iranted)) or raw) or gran) or (grain or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR grand) OR san) OR grawd) OR hand) OR (had OR land)) OR (band OR bonds)) OR ((((((grawd OR grant) OR frank) OR (grandddtd OR iranted)) OR raw) OR gran) OR (grain OR rain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand OR grand) or san) or grawd) or hand) or (had or land)) or (band or bonds)) or ((((((grawd or grant) or frank) or (grandddtd or iranted)) or raw) or gran) or (grain or rain))) counterinsurgency study ;*".