Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandtd » gbrandtd, ggrandtd, ghandtd, granddtd, irandtd, grawdtd
bond » bonds
grawd » grand, graw, grad
grawe » grade, grace, graw
gran » grand, iran, graw
grant » grandt, irant, grawt, grants
grain » brain, gbrain, gmain, ggain
graint » braint, gbraint, gmaint, ggaint, geraint, gradient
grains » brains, gbrains, gmains, ggains
rain » brain, main, gain
gbraint » gbbraint, gbmaint, gbgaint, geraint

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR ((band OR bank) OR bond)) OR ((((grawd OR grandtd) OR grawe) OR ((gran OR grant) OR (grain OR rain))) OR ((graint OR gbraint) OR grains))) 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 bank) or bond)) or ((((grawd or grandtd) or grawe) or ((gran or grant) or (grain or rain))) or ((graint or gbraint) or grains))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or ((band OR bank) or bond)) or ((((grawd or grandtd) or grawe) or ((gran or grant) or (grain or rain))) or ((graint or gbraint) or grains))) counterinsurgency study ;*.