Perhaps you should try some spelling variations:
rand » brand, hand, sand
grandtd » gbrandtd, ghandtd, gsandtd, grantdtd, irandtd, grawdtd, granttd, brandtd
grand » gbrand, ghand, gsand, grantd, irand, grawd, grant, brand
band » bank
grawd » graw, grad
grawe » grade, grace, graw
gran » grant, iran, graw
grain » gmain, ggain, grail
brain » bmain, bgain, brail
rain » main, gain, rail
maint » main, saint, paint

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