Perhaps you should try some spelling variations:
rand » brand, band, hand
irand » ibrand, iband, ihand, brand, iran, irani
grand » gbrand, gband, ghand, brand
rank » frank
ranks » franks, banks
gband » band
ghand » hand, ghana, ghani
grants » migrants
irants » irans, 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 rank) or (had or land)) or (bank or (bond or bonds))) or (((gband or (irand or grant)) or ((grand OR ghand) or (grawks or ranks))) or (grants or irants))) 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 bonds))) OR (((gband OR (irand OR grant)) OR ((grand OR ghand) OR (grawks OR ranks))) OR (grants OR irants))) 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 bonds))) or (((gband or (irand or grant)) or ((grand OR ghand) or (grawks or ranks))) or (grants or irants))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or rank) or (had or land)) or (bank or (bond or bonds))) or (((gband or (irand or grant)) or ((grand OR ghand) or (grawks or ranks))) or (grants or irants))) counterinsurgency study ;*.