Perhaps you should try some spelling variations:
sequential methane » sequential method (Expand search), sequential mean (Expand search), sequential machine (Expand search)
chain sequential » in sequential (Expand search), their sequential (Expand search), cake sequential (Expand search)
methane process » membrane process (Expand search), ethanol process (Expand search), method process (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using python » usando python (Expand search), in python (Expand search)
coder chain » node chain (Expand search), over chain (Expand search), coffee chain (Expand search)
using using » housing using (Expand search), aging using (Expand search), sensing using (Expand search)

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

• Removing quotes may allow a broader search: (( coder chain sequential methane process ) OR ( using using python python programming ))~.