Perhaps you should try some spelling variations:
rank » ranks, frank
hand » had, band, hard
grant » grants, graint, grandt, irant
grande » grade, grand, grainde, grandde, irande
gran » grain, grand, iran
gband » band, grand
gharm » harm, sharm
gharo » ghard, gharm, ghero
haro » hard, harm, hero
hari » hard, hadi, harm
hart » chart, part, art
heat » head

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rank OR bank) OR san) OR hand) OR land) OR bonds) OR (((grant OR (grande OR gran)) OR gband) OR ((gharo OR gharm) OR ((haro OR gheart) OR (hari OR (hart OR (heart OR heat))))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rank or bank) or san) or hand) or land) or bonds) or (((grant or (grande or gran)) or gband) or ((gharo or gharm) or ((haro or gheart) or (hari or (hart or (heart OR heat))))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((rank or bank) or san) or hand) or land) or bonds) or (((grant or (grande or gran)) or gband) or ((gharo or gharm) or ((haro or gheart) or (hari or (hart or (heart OR heat))))))) counterinsurgency study ;*.