Perhaps you should try some spelling variations:
sequences methodologies » sciences methodologies (Expand search), sequential methodologies (Expand search), sequence methodology (Expand search)
methodologies problem » methodological problem (Expand search), methodology problem (Expand search), methodological problems (Expand search)
cdma sequences » cdna sequences (Expand search), dna sequences (Expand search), rdna sequences (Expand search)
using rotating » in rotating (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
code cdma » code cdc (Expand search)

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

• Removing quotes may allow a broader search: (( code cdma sequences methodologies problem ) OR ( using rotating python python programming ))~.