Perhaps you should try some spelling variations:
band » bank
gband » gbank
sand » stand, san, hand
bond » bonds
grand » grant, brand
ghand » hand, ghana, ghani
ghard » gharo, gharmd, ghaird, gheard
hard » harmd, haird, heard
har » harm, hair, hear
ghart » gharmt, ghairt, gheart, chart, gharo, gchart, gart
hari » harmi, hairi, heari, hadi, harm, haji
hart » harmt, hairt, heart, chart, art
gpart » apart, ipart

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: (((((band OR sand) OR (hard OR had)) OR land) OR bond) OR (((grand OR ghand) OR gband) OR ((ghard OR guard) OR ((har OR (ghart OR gpart)) OR (hari OR (hart OR part)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((band or sand) or (hard or had)) or land) or bond) or (((grand or ghand) or gband) or ((ghard or guard) or ((har or (ghart or gpart)) or (hari or (hart OR part)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((band or sand) or (hard or had)) or land) or bond) or (((grand or ghand) or gband) or ((ghard or guard) or ((har or (ghart or gpart)) or (hari or (hart OR part)))))) counterinsurgency study ;*.