Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, brand
sand » stand, band, san
hand » band, hard
bond » bonds
grank » frank, rank, gran
grants » migrants
gband » band
ghard » hard, gharo
gharm » harm, gharo, sharm
haro » hard, harm, hari
gheart » heart
hart » heart, chart, hard

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 sand) OR hand) OR land) OR bond) OR (((grand OR (grank OR (grant OR grants))) OR gband) OR (((ghard OR guard) OR gharm) OR ((haro OR gheart) OR ((hadi OR had) OR ((hart OR art) OR part)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or hand) or land) or bond) or (((grand or (grank or (grant OR grants))) or gband) or (((ghard or guard) or gharm) or ((haro or gheart) or ((hadi or had) or ((hart or art) or part)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hand) or land) or bond) or (((grand or (grank or (grant OR grants))) or gband) or (((ghard or guard) or gharm) or ((haro or gheart) or ((hadi or had) or ((hart or art) or part)))))) counterinsurgency study ;*.