Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, grant, brand, grantd, irand, grawd
gran » grant, iran, graw
paint » print, point, pain
gmaint » gmains, gmaine, gmint
maint » mains, maine, mint
rain » brain, gain, rail
grain » gbrain, ggain, grail, brain
ggain » gain, again

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 hard) or (had or land)) or (bond or bonds)) or ((((grand or grawdtd) or (grade or trade)) or gran) or (((gmaint or ((paint or maint) or (rain OR main))) or saint) or (grain or ggain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (bond OR bonds)) OR ((((grand OR grawdtd) OR (grade OR trade)) OR gran) OR (((gmaint OR ((paint OR maint) OR (rain OR main))) OR saint) OR (grain OR ggain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (bond or bonds)) or ((((grand or grawdtd) or (grade or trade)) or gran) or (((gmaint or ((paint or maint) or (rain OR main))) or saint) or (grain or ggain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (bond or bonds)) or ((((grand or grawdtd) or (grade or trade)) or gran) or (((gmaint or ((paint or maint) or (rain OR main))) or saint) or (grain or ggain)))) counterinsurgency study ;*.