Perhaps you should try some spelling variations:
rand » brand, grand, band
granttd » granted, grantttd, grainttd, grandttd
sand » stand, band
hand » band, hard
rank » ranks, frank
ffranks » ffrankss, fffranks
ffrankss » ffranksss, fffrankss
gran » grant, grain, grand
ggain » gain, grain, again
rain » main, gain, rail
brain » bmain, bgain, brail

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 (granttd or sand)) or (hand OR had)) or (rank or (ffranks or ffrankss))) or san) or land) or bank) or (trans or ((gran or raw) or (ggain or (rain or brain))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR (granttd OR sand)) OR (hand OR had)) OR (rank OR (ffranks OR ffrankss))) OR san) OR land) OR bank) OR (trans OR ((gran OR raw) OR (ggain OR (rain OR brain))))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or (granttd or sand)) or (hand OR had)) or (rank or (ffranks or ffrankss))) or san) or land) or bank) or (trans or ((gran or raw) or (ggain or (rain or brain))))) counterinsurgency study ;*".