Perhaps you should try some spelling variations:
rand » brand, grand, sand
irand » ibrand, igrand, isand, brand, iran, grand
hand » hard
band » bank
bond » bonds
grant » grants, grandt, irant, grayt
granttd » grantstd, granted, grandttd, iranttd, grayttd
grave » gravel, grade, grace
graw » grow, draw, grew
gran » grand, iran, gray
gbraind » gbmaind, gbgaind, gbraild
grain » gmain, ggain, grail
rain » main, gain, rail
brain » bmain, bgain, brail

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 ((((((irand or grant) or gbraind) or granttd) or (grave or (graw OR raw))) or (gran or grain)) or (rain or brain))) 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 ((((((irand OR grant) OR gbraind) OR granttd) OR (grave OR (graw OR raw))) OR (gran OR grain)) OR (rain OR brain))) 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 ((((((irand or grant) or gbraind) or granttd) or (grave or (graw OR raw))) or (gran or grain)) or (rain or brain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bond)) or ((((((irand or grant) or gbraind) or granttd) or (grave or (graw OR raw))) or (gran or grain)) or (rain or brain))) counterinsurgency study ;*.