Improve search strategy

[rvosa]

As per the code samples in DOI:10.1111/j.1096-0031.2009.00255.x

[rvosa]

As per commit 0b7bb43 we now use a wrapper script that uses the search commands that start at page 213 of DOI:10.1111/j.1096-0031.2009.00255.x