Perhaps you should try some spelling variations:
sand » stand, hand
band » bond
gband » gbond, grand
grantk » grants, grant, granttk, grandtk, irantk
grantted » granted, granite, grantees, granttted, grandtted, irantted
grafted » granted, drafted, crafted
grandes » grades, grande, grantdes, granddes, irandes
miirants » migrants, emigrants, militants
gran » grant, grand, iran
grain » brain, rain
graw » grow, draw, grew

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((sand or san) or frank) or (had or band)) or land) or ((((grantk or (grantted OR grafted)) or (grandes or miirants)) or ((gran or grain) or (graw or raw))) or (gband or bank))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((sand OR san) OR frank) OR (had OR band)) OR land) OR ((((grantk OR (grantted OR grafted)) OR (grandes OR miirants)) OR ((gran OR grain) OR (graw OR raw))) OR (gband OR bank))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((sand or san) or frank) or (had or band)) or land) or ((((grantk or (grantted OR grafted)) or (grandes or miirants)) or ((gran or grain) or (graw or raw))) or (gband or bank))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((sand or san) or frank) or (had or band)) or land) or ((((grantk or (grantted OR grafted)) or (grandes or miirants)) or ((gran or grain) or (graw or raw))) or (gband or bank))) counterinsurgency study ;*.