Perhaps you should try some spelling variations:
rand » brand, rank
grand » gbrand, grank, grant, brand
band » bank, bond
gband » gbank, gbond
sand » stand, san
grad » grade, grid, graw
grada » gradea, grida, grawa, grade, rada, grava
ghada » ghaida, ghana, ohada
chada » chanda, chad, ohada
grants » migrants

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 (hand OR band)) or (hard or had)) or ((sand or grand) or gband)) or land) or ((((gad or grad) or (ghada or grada)) or (chada or chata)) or grants)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR (hand OR band)) OR (hard OR had)) OR ((sand OR grand) OR gband)) OR land) OR ((((gad OR grad) OR (ghada OR grada)) OR (chada OR chata)) OR grants)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (hand OR band)) or (hard or had)) or ((sand or grand) or gband)) or land) or ((((gad or grad) or (ghada or grada)) or (chada or chata)) or grants)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or (hand OR band)) or (hard or had)) or ((sand or grand) or gband)) or land) or ((((gad or grad) or (ghada or grada)) or (chada or chata)) or grants)) counterinsurgency study ;*.