Perhaps you should try some spelling variations:
relational aspect » relational aspects (Expand search), operational aspects (Expand search), emotional aspects (Expand search)
aspect extraction » post extraction (Expand search)
extraction method » extraction methods (Expand search)
coder relational » poder relacional (Expand search), over relational (Expand search), power relational (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using codigo » using indigo (Expand search), using coding (Expand search), using codium (Expand search)

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

• Removing quotes may allow a broader search: (( coder relational aspect extraction method ) OR ( using codigo python python programming ))~.