Perhaps you should try some spelling variations:
sequential method » sequential motor (Expand search), sequencing method (Expand search), sequencing methods (Expand search)
cdma sequential » via sequential (Expand search), time sequential (Expand search), cake sequential (Expand search)
method problems » 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)
ring using » rings using (Expand search), drying using (Expand search), curing using (Expand search)
code cdma » code cdc (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: "(( code cdma sequential method problems ) OR ( ring using python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( code cdma sequential method problems ) OR ( ring using python python programming ))*.