If your key is from a search in rich text fields, then this is really your only option.

如果关键字是来自富文本字段中的搜索，这实际上是您唯一的选择。

youdao

For example, you can limit text search to terms that match only if they occur in the same sentence (proximity search).

例如，可以将文本搜索限制到只匹配同一句子中出现的单词(接近搜索)。

youdao

Wildcards, represented by '*' (multiple characters) and '?' (a single character) in the II CE query language, can only be used with the LIKE operator in either a full-text or a property search.

在 II CE 查询语言中，通配符由 ‘*’（多个字符）和 ‘?’ （单个字符）表示，只能在全文或属性搜索中与 LIKE 操作符一起使用。

youdao

They were still a single-digit percentage of text search ad clicks, about 6%, but Google only rolled them out widely in October.

FORBES: Once Controversial, Google's Product Listing Ads Now A Big Hit