Perhaps you should try some spelling variations:
complex sequences » coupled sequences (Expand search), complex sentences (Expand search), complex frequencies (Expand search)
sequences method » sequences methods (Expand search), sequence method (Expand search), sequencing method (Expand search)
method problem » method problems (Expand search), methods problem (Expand search), method problemas (Expand search)
coder complex » copper complex (Expand search), modern complex (Expand search), holder complex (Expand search)
using locking » using docking (Expand search), using stacking (Expand search), using tracking (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder complex sequences method problem ) OR ( using locking python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder complex sequences method problem ) OR ( using locking python python programming ))*.