Perhaps you should try some spelling variations:
grantdtd » granted, granttdtd, graintdtd, grandtdtd
graint » geraint, grant, grain, gbraint, gmaint, ggaint
graintttd » geraintttd, grantttd, grainttd, gbraintttd, gmaintttd, ggaintttd
grantttd » granted, granttttd, graintttd, grandtttd
grawe » grade, grace, graw
gran » grant, grain, grand
rain » brain, main, gain

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: ((((san OR hard) OR (had OR land)) OR (bond OR bonds)) OR ((((((grantdtd OR (graint OR graint)) OR gmaind) OR (grantttd OR graintttd)) OR (grawe OR draws)) OR gran) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((san or hard) or (had or land)) or (bond or bonds)) or ((((((grantdtd or (graint or graint)) or gmaind) or (grantttd OR graintttd)) or (grawe or draws)) or gran) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((san or hard) or (had or land)) or (bond or bonds)) or ((((((grantdtd or (graint or graint)) or gmaind) or (grantttd OR graintttd)) or (grawe or draws)) or gran) or rain)) counterinsurgency study ;*.