Perhaps you should try some spelling variations:
grand » grant, brand, grantd, irand, grawd
granttd » granted, grantttd, iranttd, grawttd
graind » grained, grains, gmaind, ggaind, graild
irand » brand, iran, rand
rank » ranks, frank, bank
flanks » planks
sand » stand, san
hand » hard
band » bank, bond
irans » iran, trans, frans
gran » grant, iran, graw
grain » gmain, ggain, grail
brain » bmain, bgain, brail
rain » main, gain, rail

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 ((granttd or ((graind or gmaind) or ggaind)) or irand)) or had) or (rank or flanks)) or (sand or hand)) or land) or band) or (irans or ((gran or (grain OR brain)) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((grand OR ((granttd OR ((graind OR gmaind) OR ggaind)) OR irand)) OR had) OR (rank OR flanks)) OR (sand OR hand)) OR land) OR band) OR (irans OR ((gran OR (grain OR brain)) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((grand or ((granttd or ((graind or gmaind) or ggaind)) or irand)) or had) or (rank or flanks)) or (sand or hand)) or land) or band) or (irans or ((gran or (grain OR brain)) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((grand or ((granttd or ((graind or gmaind) or ggaind)) or irand)) or had) or (rank or flanks)) or (sand or hand)) or land) or band) or (irans or ((gran or (grain OR brain)) or rain))) counterinsurgency study ;*.