Perhaps you should try some spelling variations:
sand » stand, band, san
hand » had, band, hard
bond » bonds
grantk » grant, granttk, graintk, grandtk
grants » migrants, grantts, graints, grandts
grandtted » granted, grantdtted, graindtted, granddtted
grandts » grandes, grantdts, graindts, granddts
migraints » migrants, migrant, emigrants
granttk » grantttk, grainttk, grandttk
gran » grant, grain, grand
graw » grow, draw, grew
gband » band, grand

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 frank) or (hand or bond)) or land) or ((((((grantk OR granttk) or grants) or grandtted) or (grandts or migraints)) or (gran 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 frank) OR (hand OR bond)) OR land) OR ((((((grantk OR granttk) OR grants) OR grandtted) OR (grandts OR migraints)) OR (gran 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 frank) or (hand or bond)) or land) or ((((((grantk OR granttk) or grants) or grandtted) or (grandts or migraints)) or (gran or (graw or raw))) or (gband or bank))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((sand or frank) or (hand or bond)) or land) or ((((((grantk OR granttk) or grants) or grandtted) or (grandts or migraints)) or (gran or (graw or raw))) or (gband or bank))) counterinsurgency study ;*.