Perhaps you should try some spelling variations:
"life segment structural analysis" » "life segment structure analysis", "life cement structural analysis", "life segment structured analysis", "five segment structural analysis", "size segment structural analysis", "time segment structural analysis"
"pipe segment structural analysis" » "pipe segment structure analysis", "pipe cement structural analysis", "pipe segment structured analysis", "pipe segments structural analysis", "five segment structural analysis", "size segment structural analysis"
"line segment cost analysis" » "line segment content analysis", "line segments cost analysis", "line segment case analysis", "line segment across analysis", "line segmental post analysis"

Try widening your search to All Fields.

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: (((("life segment structural analysis") OR ("pipe segment structural analysis"))) OR ("line segment cost analysis")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"life segment structural analysis\") OR (\"pipe segment structural analysis\"))) or (\"line segment cost analysis\"))".
• Removing quotes may allow a broader search: (((( life segment structural analysis ) OR ( pipe segment structural analysis ))) or ( line segment cost analysis )).
• Adding a wildcard symbol may retrieve word variants: (((("life segment structural analysis") OR ("pipe segment structural analysis"))) or ("line segment cost analysis"))*.