Perhaps you should try some spelling variations:
sediment structure » sedimentary structures, document structure, argument structure
structure analysis » structural analysis
life segmental » liver segmental, large segmental, life mental
segmental post » segmental joint, segmental phase, segmental plate
lake sediment » lake sediments
post analysis » cost analysis, test analysis, dust analysis

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: (( lake sediment structure analysis ) OR ( life segmental post analysis ))*.