Perhaps you should try some spelling variations:
rand » brand, grand, hand
irand » ibrand, igrand, ihand, brand, iran, grand
bond » bonds
rawt » rawat, raw, rat
graw » grow, raw, draw
grawks » growks, rawks, drawks
gran » grant, grand, iran
grain » brain, rain
graints » braints, raints, grants, grains, gradients
ranks » banks

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 (rank OR frank)) or (had or land)) or (bank or bond)) or (((band or (irand or (rawt or graw))) or ((gran or grain) or (grawks or ranks))) or (gbandts or graints))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (rank OR frank)) OR (had OR land)) OR (bank OR bond)) OR (((band OR (irand OR (rawt OR graw))) OR ((gran OR grain) OR (grawks OR ranks))) OR (gbandts OR graints))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (rank OR frank)) or (had or land)) or (bank or bond)) or (((band or (irand or (rawt or graw))) or ((gran or grain) or (grawks or ranks))) or (gbandts or graints))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (rank OR frank)) or (had or land)) or (bank or bond)) or (((band or (irand or (rawt or graw))) or ((gran or grain) or (grawks or ranks))) or (gbandts or graints))) counterinsurgency study ;*.