Perhaps you should try some spelling variations:
strained » trained, strain, attained
irand » brand, iran, rand
grand » grant, brand, grantd, graind, irand
grande » grante, brande, grantde, grainde, irande, grandle, grange, grand, grade
graind » grained, grain, grains
graindt » grainedt, graint, grainst
grawe » grade, grace, graw
gran » grant, grain, iran
grawt » grant, graw, graft
rande » randle, range, rand

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((stand or hard) or (had or land)) or (bank or bonds)) or (((((strained or (irand or (grand or graind))) or irantd) or grawe) or gran) or (grawt or (graindt or (rande OR grande))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((stand OR hard) OR (had OR land)) OR (bank OR bonds)) OR (((((strained OR (irand OR (grand OR graind))) OR irantd) OR grawe) OR gran) OR (grawt OR (graindt OR (rande OR grande))))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((stand or hard) or (had or land)) or (bank or bonds)) or (((((strained or (irand or (grand or graind))) or irantd) or grawe) or gran) or (grawt or (graindt or (rande OR grande))))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((stand or hard) or (had or land)) or (bank or bonds)) or (((((strained or (irand or (grand or graind))) or irantd) or grawe) or gran) or (grawt or (graindt or (rande OR grande))))) counterinsurgency study ;*.