Perhaps you should try some spelling variations:
sequence methodology » science methodology (Expand search), sequence homology (Expand search), sciences methodology (Expand search)
methodology problem » methodology proposed (Expand search), methodology project (Expand search), methodology public (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)
using python » usando python (Expand search), in python (Expand search)
using using » housing using (Expand search), aging using (Expand search), ring using (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 methodology problem ) OR ( using using python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( code and sequence methodology problem ) OR ( using using python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code and sequence methodology problem ) OR ( using using python python programming ))*.