Perhaps you should try some spelling variations:
sand » stand
bond » bonds
ghand » ghani, ghad, ghard
grand » grant, brand
ghad » ghada, had, grad
grada » grade, grad, rada
chanda » chandra, chansa, chada, charda
chada » chata, bhada, ghada, hada, chama
chad » had, cham
ghard » hard, guard, gharo
hand » had, hard

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((sand OR san) or (bond or bank)) or ((((((ghand or grand) or ghana) or (ghad or ((ohada or grada) or (chanda or (chada or chad))))) or ghard) or (hand or land)) or (gland or band))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((sand OR san) OR (bond OR bank)) OR ((((((ghand OR grand) OR ghana) OR (ghad OR ((ohada OR grada) OR (chanda OR (chada OR chad))))) OR ghard) OR (hand OR land)) OR (gland OR band))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((sand OR san) or (bond or bank)) or ((((((ghand or grand) or ghana) or (ghad or ((ohada or grada) or (chanda or (chada or chad))))) or ghard) or (hand or land)) or (gland or band))) counterinsurgency study ;*".