Perhaps you should try some spelling variations:
rank » ranks, frank
grand » brand, graind, irand, grayd
hand » band, hard
sand » stand, band, san
granttd » granted, grainttd, iranttd, grayttd, grantstd
drawe » draws, draw, drawn
gran » grain, iran, gray
grant » graint, irant, grayt, grants
graw » grow, raw, draw
bgain » gain, brain, again
trained » tbrained, tmained, tgained
rain » brain, main, gain

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or drawe) or ((gran OR grant) or graw)) or ((bgain or saint) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR grand) OR hand) OR (had OR land)) OR (bank OR bonds)) OR (((((sand OR trained) OR granttd) OR drawe) OR ((gran OR grant) OR graw)) OR ((bgain OR saint) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or drawe) or ((gran OR grant) or graw)) or ((bgain or saint) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rank or grand) or hand) or (had or land)) or (bank or bonds)) or (((((sand or trained) or granttd) or drawe) or ((gran OR grant) or graw)) or ((bgain or saint) or rain))) counterinsurgency study ;*.