Perhaps you should try some spelling variations:
grain » brain, rain
band » bank, bond
rank » ranks, bank
frank » franks, fbank
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
grand » irand, grawd, grayd, brand
grayd » gray, grad
ghani » ghana

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((graytd or grain) or hard) or (stand or had)) or (band or land)) or ((((rank or (((gran or grant) or (grand OR grayd)) or grew)) or frank) or grow) or (grayd or ghani))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((graytd OR grain) OR hard) OR (stand OR had)) OR (band OR land)) OR ((((rank OR (((gran OR grant) OR (grand OR grayd)) OR grew)) OR frank) OR grow) OR (grayd OR ghani))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((graytd or grain) or hard) or (stand or had)) or (band or land)) or ((((rank or (((gran or grant) or (grand OR grayd)) or grew)) or frank) or grow) or (grayd or ghani))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((graytd or grain) or hard) or (stand or had)) or (band or land)) or ((((rank or (((gran or grant) or (grand OR grayd)) or grew)) or frank) or grow) or (grayd or ghani))) counterinsurgency study ;*.