Perhaps you should try some spelling variations:
when conversations » open conversations, win conversations, agent conversations
22christian when » christians when, christian women, christian who
9.13 germany » 9.14 germany, 9.15 germany, 9.16 germany
2.1 germany » 2017 germany, 9.14 germany, 9.15 germany
21 germany » 11 germany, 2 germany, 20 germany
21 century » 22 century, 21st century, 21th century
2020 21 » 2020 2021, 2020 21st, 2020 2nd

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 when conversations %((21 germany) OR (((2.1 germany) OR (9.13 germany)))) %brief history %2020 21 century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian when conversations %((21 germany) or (((2.1 germany) OR (9.13 germany)))) %brief history %2020 21 century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian when conversations %((21 germany) or (((2.1 germany) OR (9.13 germany)))) %brief history %2020 21 century%22*.