Perhaps you should try some spelling variations:
sediment nature » sediment texture, sediment failure, predicament nature
nature analysis » capture analysis, feature analysis, natural analysis
lake sediment » lake sediments
cost analysis » content analysis
pipe segment » pipe segments, line segment, five segment
segment cost » segment case, segment across, segmental post

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 nature analysis ) OR ( pipe segment cost analysis )).
• Adding a wildcard symbol may retrieve word variants: (( lake sediment nature analysis ) or ( pipe segment cost analysis ))*.