Perhaps you should try some spelling variations:
22knowledge capture » knowledge capture, knowledge capsule
knowledge culture » knowledge capture, knowledge structure, knowledge centered
knowledge nature » knowledge capture, knowledge natural, knowledge feature

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: %((((22knowledge capture) OR (knowledge nature))) OR (knowledge culture))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((22knowledge capture) OR (knowledge nature))) or (knowledge culture))%22".
• Adding a wildcard symbol may retrieve word variants: %((((22knowledge capture) OR (knowledge nature))) or (knowledge culture))%22*.