Perhaps you should try some spelling variations:
grand » brand
rank » frank, bank
ranks » franks, banks
hand » hard
band » bank
bond » bonds
grant » grants
grain » brain, rain
graint » braint, raint, geraint, grains, gradient
graw » grow, raw, draw
tran » train, trans, than

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((grand or (rank OR ranks)) or hand) or (had or land)) or (band or bond)) or (((((grant or grain) or irantdtd) or graw) or tran) or graint)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((grand OR (rank OR ranks)) OR hand) OR (had OR land)) OR (band OR bond)) OR (((((grant OR grain) OR irantdtd) OR graw) OR tran) OR graint)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((grand or (rank OR ranks)) or hand) or (had or land)) or (band or bond)) or (((((grant or grain) or irantdtd) or graw) or tran) or graint)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((grand or (rank OR ranks)) or hand) or (had or land)) or (band or bond)) or (((((grant or grain) or irantdtd) or graw) or tran) or graint)) counterinsurgency study ;*.