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

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 (had or land)) or (bank or bond)) or (((band or (irand or (rawt or (graw OR grow)))) or ((gran or grain) or ((grawks or drawks) 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 (had OR land)) OR (bank OR bond)) OR (((band OR (irand OR (rawt OR (graw OR grow)))) OR ((gran OR grain) OR ((grawks OR drawks) 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 (had or land)) or (bank or bond)) or (((band or (irand or (rawt or (graw OR grow)))) or ((gran or grain) or ((grawks or drawks) or ranks))) or (gbandts or graints))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or rank) or (had or land)) or (bank or bond)) or (((band or (irand or (rawt or (graw OR grow)))) or ((gran or grain) or ((grawks or drawks) or ranks))) or (gbandts or graints))) counterinsurgency study ;*.