Perhaps you should try some spelling variations:
sequence methodologies » sequence methodology (Expand search), science methodologies (Expand search), sequential methodologies (Expand search)
methodologies problem » methodological problem (Expand search), methodology problem (Expand search), methodological problems (Expand search)
coatings python » coatings without (Expand search)
using coatings » using coating (Expand search), using cuttings (Expand search), sensing coatings (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
and sequence » acid sequence (Expand search), base sequence (Expand search), and consequences (Expand search)

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: (( code AND sequence methodologies problem ) OR ( using coatings python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( code and sequence methodologies problem ) OR ( using coatings python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code and sequence methodologies problem ) OR ( using coatings python python programming ))*.