Perhaps you should try some spelling variations:
22christian design » unchristian design, christian designed
ref history » reef history, brief history, bief history
21 germany » 2.1 germany, 11 germany, 2 germany
11 german » 1 german
2023 10th » 2022 10th, 2023 11th, 2013 10th
2.2 20th » 2020 20th, 2023 20th, 2021 20th

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: %22christian design considerations %((21 germany) OR (11 german)) %ref history %((2.2 20th) OR (2023 10th)) century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian design considerations %((21 germany) or (11 german)) %ref history %((2.2 20th) or (2023 10th)) century%22*.